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Turn Signals And Four Ways Dont Work


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Posted

If you have a fuse "#25 FLASH" (25A Turn Signal/Hazard Flasher Module), remove it and check it with an ohm meter or continuity tester to be sure it really is good. (Sometimes hard to see if they are blown.)

 

If that does not work, get a factory wiring diagram and a multimeter. If you have a "Turn Signal/Hazard Flasher Module", I would first test to be sure it has power.

 

Then test to be sure it is receiving the turn and hazard voltages as it should per the wiring diagram. (When each switch is activated.)

 

If it has power and it is getting the switch voltages OK, then I would suspect the module. Before replacing the module, I would do further testing to be sure there were no shorts on the output wires as well (causing the module to go bad or not function).

Posted
If you have a fuse "#25 FLASH" (25A Turn Signal/Hazard Flasher Module), remove it and check it with an ohm meter or continuity tester to be sure it really is good. (Sometimes hard to see if they are blown.)

 

If that does not work, get a factory wiring diagram and a multimeter. If you have a "Turn Signal/Hazard Flasher Module", I would first test to be sure it has power.

 

Then test to be sure it is receiving the turn and hazard voltages as it should per the wiring diagram. (When each switch is activated.)

 

If it has power and it is getting the switch voltages OK, then I would suspect the module. Before replacing the module, I would do further testing to be sure there were no shorts on the output wires as well (causing the module to go bad or not function).

 

Where is the Module? and Thanks

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