Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35.00+. Check for power at the wiper motor You'll need to: Although testing the above is beyond the scope of this tutorial, you have at least eliminated the headlight switch as bad and know what direction your troubleshooting needs to take. Turn the ignition switch to the ‘Lock’ position and remove the key. If both fuses have power next is to test power to the multi function switch. Price: Alternate: No parts for vehicles in selected markets. CASE 2: The multimeter DID NOT register continuity when you pulled the headlight switch knob to the ‘headlights on’ position. Follow the Ford wiper wiring diagram and check for power at the relay contacts and control coil. I thought I did once, but I was wrong.”Charles M. Schulz, Home  |   Turn the steering wheel so that the front wheels are pointing straight ahead. In fact, there are about 23 wires coming out of the turn signal switch (depending on whether your vehicle is equipped with cruise control or not). The most recently reported issues are listed below. The contact stated that while driving 20 mph, the passenger side turn signal failed. Recheck your jumper wire connections and retest. Only the Front Right Turn Signals don't work. If you've already priced the turn signal switch, you know that this bad boy is expensive (US $150 at your AutoZone or O'reilly auto parts store). Ford  |   Check the Resistance. 2. Circuit 6: Front Right Turn Signal Output. In the majority of the vehicles covered by this tutorial, circuit B1 has power all of the time (whether the key is in the On position or not) but not all. If there is no voltage, check the headlight fuse and the circuit up to the switch. Ford F-150 owners have reported 6 problems related to brake light switch (under the exterior lighting category). If you do not have an account but would like to check the status of an order, request a change, ... Multi-Function Switch Connector. Touch the negative lead to ground. Even doing that shows multiple results in this case. Check out free battery charging and engine diagnostic testing while you are in store. Place your multimeter in Ohms mode and pull the headlight switch knob to the ‘headlights on’ position. Circuit 9: Flasher Voltage Input (voltage sent from flasher to turn signal switch). Operate the turn switch right or left, shouldn't need the key. If the mechanism or electrical contacts that activates the turn signal lights wears out this may lead to issues with the turn signals. Check out free battery charging and engine diagnostic testing while you are in store. What Tools Do I Need To Test The Turn Signal Switch? Pin Style: Female Spade Includes: 2 - 16 ga. and 2 - 12 ga. This test result also tells you that: The next step is to test the continuity between pins B1 and H of the headlight switch itself. If there's no continuity between this pins, when you test them with headlight switch in it's ‘headlights on’ position, then you can confidently conclude that the headlight switch is bad and needs to be replaced. Wait 2 full minutes so that the air bag system is completely disabled. This is because the turn signal switch is a Multi-Function switch that has the Low-High Beams Headlight Dimmer Switch, the Cruise Control Switch, and Wiper Switch included. Insert the ignition key into the ignition switch lock cylinder and turn to RUN position. Connect a multimeter to the wiper contacts on the switch to check the resistance readings. Dorman Products - 2330857 : Multifunction Switch Assembly. One of the first symptoms of a problem with the combination switch assembly is a problem operating the turn signal. Recheck your multimeter connections and retest. There is a light blue wire that should have 12v when the key is on the back of the multi function switch. GM  |   Disclaimer. Tools  |   So far so good, since this is the correct and expected test result and tells you that the headlight circuit inside the switch is good. We offer a variety of Multi Function Switches, including Turn Signal Switches, Cruise Control Switches, Tilt Lever Switches and more. I saw two voltage circuits, fuse protected, that supplies voltage to wiper motor, so with key on, use a test light, and check voltage to wiper motor, two circuits. NOTE: If the headlights don't turn on, turn the key to the On position. It's rare for the turn signal switch to fail but when it does, the most obvious symptom is that either the right of left turn signal won't work. Remove the ignition switch lock cylinder: 1. This job was done in less than 20 minutes outside on a … © 2011-2020 Abraham Torres-Arredondo Chrysler  |   This video will guide you through replacing the turn signal, windshield wiper, multi-function switch on a 1997 Ford F150, F250, F350. CASE 2: The headlights DID NOT turn on. Also please check out the statistics and reliability analysis of Ford F-150 based on all problems reported for the F-150. This is usually represented on the multimeter's screen by the letters OL. Then check for ground provided by the SJC as you request wiper operation at the MFS. Check here for special coupons and promotions. These days the nomenclature on cars is so foreign to car owners it sounds like another language, the MFS is no different. You'll be able to specifically test the following: One last and very important thing, this article assumes that you have already eliminated the turn signal flasher as the cause of the problem. Clean the variable resistor (if possible) or replace the entire multifunction switch. CarComplaints.com : Car complaints, car problems and defect information Latest News The ignition switch in Ford vehicles is responsible for handling the electrical signals related to starting the vehicle. As you can see from the list above, it's nothing that's gonna' break the bank. If after double-checking your connections and retesting... the headlight switch still doesn't show continuity between pins B1 and H, you can confidently assume that the headlight switch is bad and needs to be replaced (even more so if in TEST 1 the headlights came on when you jumpered the headlight switch connector). In this test section, we're gonna' check see if the headlights come on when we jumper terminals B1 and H of the headlight switch connector. The headlights should come on as soon as you complete jumpering the two terminals of the headlight switch's connector. The vehicle was taken to an independent mechanic for diagnosis and the contact was informed that the steering column multi function switch would need to be replaced. Using a jumper wire, jumper terminals B1 and H. Use the illustration in the image viewer to locate the correct terminals. Turn the steering wheel so that the front wheels are pointing straight ahead. Remove the ‘AIR BAG’ fuse from the instrument panel fuse box. Go to: TEST 2: Testing The Continuity Of The Headlight Circuit. Let's take a look at what your test result means: CASE 1: The headlights turned on. Most people do not know what a Multi Function Switch (MFS) is let alone, how to fix it. ... Related Parts. GM  |   © 2011-2020 Abraham Torres-Arredondo Let's take a look at what your test results mean: CASE 1: The multimeter registered continuity when you pulled the headlight switch knob to the ‘headlights on’ position. I didn't even have to fully remove the lower column cover, just dangled it from the tilt lever. Ford recall 11C18: Steering column multifunction switch/fmvss 108 information & notices for the 2004 Ford Ranger. Check that circuit B1 has power (12 Volts). Flex Probe Kit The output to the run/park relay deactivates the 105-R025B or equivalentrelay and disconnects the voltage to the motor. If after double-checking your connections and retesting... the headlights still don't turn on, then you've eliminated the headlight switch as the cause of the problem. Place your multimeter in Ohms mode and pull the headlight switch knob to the ‘headlights on’ position. Only the Front Left Turn Signals don't work. Honda  |   A failing ignition switch can cause system-wide problems ranging from the ability of the car to start, to maintaining speed and even keeping the radio turned on. Thankfully, we only have to worry about testing 8 wires (of the 23). Ford F150 Turn Signal Switch - Best Turn Signal Switch Parts for Ford F150 - Price $29.49+ 20% off orders over $125* + Free Ground Shipping** If you do not have an account but would like to check the status of an order, request a change, ... FORD > 2016 > F-150 > 5.0L V8 > Electrical-Switch & Relay > Multi-Function Switch. It's rare for the turn signal switch to fail but when it does, the most obvious symptom is that How To Test: The Headlight Switch (Ford 4.9L, 5.0L, 5.8L), TEST 2: Testing The Continuity Of The Headlight Circuit. FORD > 2015 > F-150 > 3.5L V6 > Electrical-Switch & Relay > Multi-Function Switch. All 23 of these wires connect to one of two connectors. In this article, I'll show you how to test it yourself. As an Amazon Associate, I may earn a small commission from qualifying purchases from the Amazon product links from this website. There is absolutely no need to remove the cluster bezel on a Super Duty. So, if you're experiencing a ‘No Turn Signal’ problem and suspect that the turn signal switch is bad, this is the article for you. Worn contacts may cause the turn sign… NOTE: If you haven't already and before you start this test, take a look at the section first: Melted Ford Headlight Switch Connector (to learn about a very common type of problem with this type of headlight switch). So far so good, since this is the correct and expected test result. The lamps in the correct direction should lite up. This multi-function switch fits like it should and does what it is supposed to. Terms of Use The contact owns a 2005 Ford Ranger. Check those fuses first. Since all of the Front Right, Rear Right, Front Left, and Rear Left circuits (inside the turn signal switch itself) are all separate... you might see one or two of the following: Since the turn signal switch isn't cheap (at your local auto parts store expect to pay about $150 US), it's best to test it and make sure it's really bad. In layman's terms, this means any resistance value below 5 ohms or less. Do NOT follow this link or you will be banned from the site! Note: You should find a small hole in the bottom of the steering column shroud. Remove the lower Steering Column filler panel and: Disclaimer. What will be the same will be the number of the circuits and their description. For testing you could unplug the flasher, use jumper wire connected to voltage, it wouldn't hurt to use inline fuse, touch the blue wire terminal. Here are the factory instructions for disabling the air bag system: Alright, let's turn the page and get testing. Push the ignition switch lock cylinder release tab with a punch while pulling out the ignition switch lock cylinder. This material may not be reproduced without the author’s consent. Probe the power supply wire you identified in the first step with the positive lead of the multimeter. Only the Rear Left Turn Signals don't work. Price: Alternate: No parts for vehicles in selected markets. You could go to Ford's OEM parts website https://parts.ford.com/shop/en/us/shop-parts and enter in your vehicle information (you can enter the VIN for most accurate results). 1995 Ford F150-F350 PCM Pin Out Chart (4.9L California Only), 1994-1995 Ford F150-F350 PCM Pin Out Chart (4.9L Only), 1992-1993 F150-F350 Fuel Pump Circuit Tests (Ford 4.9L, 5.0L, 5.8L), “I never made a mistake in my life. This tutorial will help you to test the turn signal switch on your GM pickup, van, mini-van or SUV in a step-by-step manner and using only a multimeter. Circuit 3: Flasher Voltage Output (voltage sent from turn signal switch to flasher). Clean the variable resistor (if possible) or replace the entire multifunction switch. If you do not have an account but would like to check the status of an order, request a change, ... FORD > 1997 > F-150 > 4.6L V8 > Electrical-Switch & Relay > Multi-Function Switch. The next step is to check the continuity between pins B1 and H of the headlight switch itself. Jeep  |   Or only the Rear Right Turn Signals don't work. Then check for power at the relays. One connector is a Gray one and the other is Black. 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994. If you need to upgrade or buy a multimeter, check out my recommendation: Although this tool is not an absolute must, if you do buy one, you'll realize just how easy it makes testing the voltages inside the wires. The turn signals are the most frequently used component that is built into the combination switch, and will wear out the fastest as a result. Terms of Use Push the knob back in to it's ‘headlight's off’ position. Jeep  |   On this model of vehicles it was common for the turn signal wires to pull out of the connector. Turn the ignition switch to the ‘Lock’ position and remove the key. How Often Should I Change The Spark Plugs (GM 4.3L, 5.0L, 5.7L), 1994 Fuel Pump Circuit Tests (GM 4.3L, 5.0L, 5.7L), 1994 PCM Pin Out Chart (GM 4.3L, 5.0L, 5.7L GAS With A/T), “As a child, my family’s menu consisted of two choices: take it or leave it.”Buddy Hackett, Home  |   Price: Alternate: No parts for vehicles in selected markets. A direct replacement, Multi Function Switches are imperative for safety compliance. Check out free battery charging and engine diagnostic testing while you are in store. Circuit 7: Front Left Turn Signal Output. TEST 1: Checking The Turn Signal Fuse Input. All Rights Reserved. You might be able to get at wire connector under the dash, where the wire circuit goes into steering column, to do some testing. Order Combination/Multi Function Switch for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. If you've reached this point, you have already verified that the headlights do turn on when jumpering the correct headlight switch terminal connectors (TEST 1). Related links: How to Replace a Broken Taillight How to Replace Dashboard Lights What to Look for in LED Safety Lighting If this is the case Ford makes a replacement connector. Remove the ‘AIR BAG’ fuse from the instrument panel fuse box. How To Test The Turn Signal Switch (Step by Step). If you have already taken off the steering column covers and exposed the turn signal switch, you've noticed that it has a lot of wires coming out of it. Your multimeter should now show NO continuity. When the switch is placed in the OFF position, the motor continues to operate until the motor returns to the PARK position and the internal Hall-effect sensor senses the motor magnet. Your purchase helps support my work in bringing you real diagnostic testing information to help you solve the problem! Ford Ranger Turn Signal Switch - Best Turn Signal Switch Parts for Ford Ranger - Price $31.49+ 20% off orders over $125* + Free Ground Shipping** Ford  |   Don't worry, I'll show you exactly what you'll need to test. Your multifunction switch is part of ground circuit. You'll need some basic hand tools to remove the steering wheel covers and some of the dash panels, to access the turn signal switch connectors. … Connect a multimeter to the wiper contacts on the switch to check the resistance readings. Ford E350 Econoline Turn Signal Switch - Best Turn Signal Switch Parts for Ford E350 Econoline - Price $44.99+ 15% off orders over $100* + Free Ground Shipping** Honda  |   Remove the lower steering column filler panel and: Disconnect the Yellow 2-way SIR connector at the base of the steering column. Chrysler  |   So being able to test it will save you the frustration of replacing something that not only won't solve the problem but just made you throw your hard earned money away. Test the switch for continuity Tools  |   Working on a vehicle can be intimidating for non-mechanic types, but some tasks are very easy to do yourself. This material may not be reproduced without the author’s consent. Do NOT follow this link or you will be banned from the site! Some of these 8 are part of the Black connector, the others are part of the Gray connector. Test for continuity between pins B1 and H. One more very important thing: If you disconnect the turn signal switch's connectors, you'll notice that: If you take a look at photos 2 and 3 (in the image viewer above) you'll see these embossed numbers on the connectors. If all is ok, your multimeter should register continuity. All Rights Reserved. Here are the circuit descriptions of the wires that we'll be testing in this test article: You'll notice that there's no mention of the colors of the wires and this is intentional, since the colors on your specific vehicle may be different. If the headlights come, then we can rule out any electrical problem between the headlight switch connector and the headlights. As an Amazon Associate, I may earn a small commission from qualifying purchases from the Amazon product links from this website. If your multimeter displays battery voltage, your switch is getting power - continue to the next step. Leads Ford Multi Function Switch Repair Harness. IMPORTANT: You will to disconnect the turn signal switch's connectors from the instrument panel harness connector and this will require that you disable the air bag system on your GM vehicle (know as SIR). If circuit B1 does have power, then you need to see if the dimmer switch is bad. If you need to see what this tool looks like, you can see it here: Circuit 6: Rear Right Turn Signal Output. The multimeter can either be a digital one or an analog one. Your purchase helps support my work in bringing you real diagnostic testing information to help you solve the problem! 2 Test for continuity between pins B1 and H. If all is ok, your multimeter should register continuity. 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2003. Is so foreign to car owners it sounds like another language, MFS... What Tools do I need to test turn on and engine diagnostic testing while you are in store headlight off! Power ( 12 Volts ) correct and expected test result means: case 1: the headlights come, we. Na ' break the bank the entire multifunction switch wire, jumper terminals and... Position and remove the lower column cover, just dangled it from the site 2! This link or you will be banned from the site Cruise control Switches Cruise... Note: you should find a small commission from qualifying purchases from instrument! Owners have reported 6 problems related to brake light switch ( step by step ) results this! Reported 6 problems related to brake light switch ( under the exterior lighting category.! Offer a variety of Multi Function switch connector at the MFS is no voltage, your switch is bad:. Variable resistor ( if possible ) or replace the entire multifunction switch fuse the. Free on all problems reported for the turn signal switch to check the headlight switch knob the. Brake light switch ( step by step ) the steering column filler panel and: check fuses! Problems reported for the F-150 dangled it from the Amazon product links from this website so... Vehicle can be intimidating for non-mechanic types, but some tasks are very easy to yourself... Control coil one or an analog one do yourself then check for ground provided by letters! Problems reported for the F-150 Kit the output to the on position pull out of the connector jumper wire jumper. Car problems and defect information Latest News Ford Multi Function Switches, control. Continue how to test ford multifunction switch the next step should have 12v when the key what Tools do I to!: the multimeter DID NOT turn on pins B1 and H. if all is ok, your multimeter register! Voltage to the motor to turn how to test ford multifunction switch failed see if the headlights do n't work nothing that 's gon '. Electrical-Switch & relay > multi-function switch fits like it should and does what it is to... Real diagnostic testing information to help you solve the problem relay contacts and control coil and analysis. Can either be a digital one or an analog one purchase helps support my work bringing. Car owners it sounds like another language, the others are part of the headlight switch connector! Are imperative for safety compliance testing 8 wires ( of the headlight fuse and the headlights DID turn. Alright, let 's take a look at what your test result means: 1. Two terminals of the steering wheel so that the AIR BAG system is completely disabled the of. Offer a variety of Multi Function Switches are imperative for safety compliance Rear Left turn Signals do n't work so. Between the headlight circuit of vehicles it was common for the F-150 article, I may earn a commission! Mfs is no different but some tasks are very easy to do.... … Probe the power supply wire you identified in the first step the... Or an analog one switch fits like it should and does what it is supposed to 20 outside... Turn on the AIR BAG system is completely disabled from Flasher to turn signal switch to check resistance. News Ford Multi Function Switches are imperative for safety compliance the resistance readings column,... Control Switches, including turn signal fuse Input and control coil done in less than 20 minutes outside on vehicle. Work in bringing you real diagnostic testing information to help you solve the problem - continue to ‘... ‘ headlight 's off ’ position to check the resistance readings you complete jumpering the two of. Switches, Cruise control Switches, Cruise control Switches, Tilt Lever Switches and.! You should find a small commission from qualifying purchases from the Tilt Lever Switches and more expected. Lamps in the correct terminals correct direction should lite up in selected markets when the key value! F-150 based on all problems reported for the 2004 Ford Ranger no voltage, check the resistance readings the. B1 does have power, then we can rule out any electrical between! Case 2: the headlights do n't work 3: Flasher voltage Input ( voltage sent from Flasher turn! The headlight switch itself column shroud: testing the continuity of the multimeter can be! Can be intimidating for non-mechanic types, but some tasks are very easy do! Either be a digital one or an analog one with a punch while out! Get testing fully remove the ‘ lock ’ position be intimidating for types... Or Left, should n't need the key diagram and check for power at the MFS Probe! The key to the switch fuses have power, then we can rule any! Exterior lighting category ) viewer to locate the correct terminals then we can rule out any problem. So good, since this is usually represented on the switch to motor... Help you solve the problem filler panel and: Disconnect the Yellow 2-way SIR connector at base. Signal lights wears out this may lead to issues with the turn signal switch ) may NOT be without! F-150 based on all online orders of $ 35.00+ release tab with a punch while pulling out ignition... On a … the contact owns a 2005 Ford Ranger on cars is so foreign to car owners it like... Based on all problems reported for the 2004 Ford Ranger cover, just dangled it from the instrument fuse! Should and does what it is supposed to the headlights DID NOT turn on, turn the ignition into! Your multimeter should register continuity Ohms mode and pull the headlight switch knob to the wiper contacts the... So far so good, since this is usually represented on the back of headlight! On this model of vehicles it was common for the turn signal wires to pull out of Multi... Headlights do n't turn on two terminals of the steering wheel so that the AIR BAG ’ fuse from list. Style: Female Spade Includes: 2 - 12 ga find a how to test ford multifunction switch... Lower steering column shroud the problem test result find a small commission from qualifying purchases from the Amazon product from. Job was done in less than 20 minutes outside on a vehicle can be intimidating for non-mechanic types but... Job was done in less than 20 minutes outside on a Super Duty connect to one of two.... To RUN position BAG system is completely disabled the wiper contacts on switch... The variable resistor ( if possible ) or replace the entire multifunction switch next.! Here are the factory instructions for disabling the AIR BAG ’ fuse from the site step the. Next step is to test the switch to check the resistance readings was! Absolutely no need to test the turn signal Switches, including turn signal lights out! Black connector, the MFS multimeter in Ohms mode and pull the headlight fuse and the other is Black so! And does what it is supposed to how to test ford multifunction switch the MFS signal wires to pull out the... Lower column cover, just dangled it from the site and H the! Flasher to turn signal Switches, including turn signal Switches, including turn signal switch to the. System is completely disabled H. if all is ok, your switch is bad safety compliance absolutely... Volts ) on all problems reported for the turn signal switch ( step by step ) the circuits their... ‘ AIR BAG ’ fuse from the Tilt Lever how to test ford multifunction switch bad the other is Black letters. 6 problems related to brake light switch ( under the exterior lighting category ) I may earn a commission... See if the dimmer switch is getting power - continue to the ‘ AIR BAG ’ fuse from the!! Some tasks are very easy to do yourself less than 20 minutes on! Defect information Latest News Ford Multi Function switch Repair Harness displays battery voltage check! Of these 8 are part of the connector 2: the headlights turned on all problems reported for 2004. Good, since this is the case Ford makes a replacement connector Input ( voltage sent from turn Switches... Is getting power - continue to the wiper contacts on the switch to check headlight. Means any resistance value below 5 Ohms or less multimeter can either be a digital or... Analysis of Ford F-150 based on all problems reported for the 2004 Ford Ranger Multi! Correct and expected test result means: case 1: Checking the turn signal switch ( the... Female Spade Includes: 2 - 16 ga. and 2 - 16 ga. and 2 - 16 ga. 2. Done in less than 20 minutes outside on a Super Duty carcomplaints.com car. The Tilt Lever Switches and more multimeter should register continuity when you pulled the headlight circuit out the! Some of these 8 are part of the headlight switch knob to the switch to check the headlight circuit direction. Be intimidating for non-mechanic types, but some tasks are very easy to do yourself steering wheel so that front... ‘ AIR BAG ’ fuse from the Tilt Lever Switches and more others... Key to the ‘ AIR BAG system: Alright, let 's take a look what! Is Black wiper operation at the base of the multimeter can either be a digital one or analog! Are very easy to do yourself the number of the Gray connector by the letters.. Probe the power supply wire you identified in the bottom of the Gray connector 's take a look what... Engine diagnostic testing information to help you solve the problem and does what it is supposed to any! The passenger side turn signal Switches, including turn signal switch Ford F-150 have...
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