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My 98 jeep wrangler radio, turn signals, and wipers wont work, but the hazards will flash. I have checked the fuse. multifunction switch. and they seem to be working. what could it be?
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Hazard Lamps
The hazard warning switch is part of the turn signal switch. The turn signal switch receives battery voltage at all times through the HAZARD SWITCH Fuse. When the hazard switch is placed in the HAZARD position, battery voltage is applied to the hazard lamp/turn signal lamp flasher. The hazard lamp/turn signal lamp flasher sends a turn signal flasher signal to the turn signal switch. The turn signal switch provides all of the turn lamps and turn indicators with the turn signal flasher signal, simultaneously flashing them on and off.
Turn Signal Lamps
The front turn signal lamps are made up of the front park/turn signal lamps and rear turn signal lamps. The front turn signal lamps flash with the rear turn signal lamps when a turn is initiated using the turn signal/multifunction lever. The turn signals will operate only with the ignition switch in the RUN position and will not operate during hazard flasher operation.
When the ignition is turned to the RUN position, battery voltage is supplied to the TURN SIGNAL Fuse. Battery voltage is then applied through the turn signal fuse circuit to the turn signal switch. When the turn signal switch is placed in the LH or RH position, voltage is supplied to the hazard lamp/turn signal lamp flasher. The hazard lamp/turn signal lamp flasher supplies a turn signal flasher signal to the turn signal switch. With the turn signal switch in the LH or RH position the corresponding turn signal indicator, rear turn signal, and front turn signal receive the turn signal switch signal and will flash. The front turn signals receive the turn signal switch signal from the turn signal switch via the BCM. The turn lamps are permanently grounded.
Replace the turn signal switch. Refer to Multifunction, Turn Signal, and Hazard Switch Replacement - On Vehicle in Steering Wheel and Column - Tilt.
Hope you can read diagram? Did you check for voltage at turn fuse? Use a test light, goes hot with key on. Use a chassis ground when checking for voltage. The voltage wire from flasher to multifunction switch for turn is orange with black tracer, check that also. Let us know what you find?
Had the same thing with my 2004 Wrangler. The Airbag light stayed on also. Took to dealer - Cost $400 for them to replace the ignition. Fixed every thing.
Do you have a trailer wiring harness? If you do, recheck the wiring there. If that doesn't help and you have properly checked the flashers then you need to check each bulb
Try shaking the turn signal lever rapidly. Not to the point of breaking it but you do want to apply a little extra pressure. move it in every direction for about 5 to 10 minutes. do not spray anything into the switch as it will collect dust and dirt in the future. This should get everything freed up and working in the multifunction switch. That sounds like where the problem is coming from.
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