Replaced fuse and switch and circuit boards and not luck. Test wires at tail see if your getting power to taillights. Thought I had done a thourough job but still no change. So the frame was working as a power source. Put a circuit breaker in to replace the fuse of the same amperage. Its wierd when I reach 35 mph my brake warning light comes on but my brakes work as they should. The choice for the enthusiast accessory buyer, StyleLine guarantees the latest styles with the most competitive prices.
Do the brake lights light up dimly? Brake lights were working intermittently. Also check the turn signals. Never did figure out where the hazard flasher was at. Also when you replace the battery get the highest cranking amp one that Will fit. For that to work, the brake wire runs to the turn indicator, so that when you turn on the flashing turn signal, it switches out the brake light signal for that side so that the two signals don't collide. Do the lights dim sleightly when you press the brakes? What else could it be? Then the problem came back again.
So where is the hazard flasher, I can hear it under the dash, but couldnt find it after fix. If this fuse is blown, your Park lights on the exterior of the car will also not be working. Turn your flashers on to check the bulbs. So the way the brake lights work they go through a relay and through blinker switch. Feb 26, 2018 The rapid flashing occurs because of the light problem. I put in a new switch and all was well for 3 months.
Change the brake lamp bulbs; on a vehicle this old it is time to do that. So simple, Thanks for the prodding to check again. Most spots would be at anchor points, junctions, etc. These trucks have those crazy circuit boards in the tail lights and they get all screwy when they get corroded. I've moved the ground around, replaced break switch, headlight switch, tail light circuit boards no luck. You can trace the black wire from the relay but it goes into the harness so its much easier to cut the wire, place an eyelit terminal on it and attach it to the body with a self tapping screw. Make sure there isnt a blown bulb either The first thing I would check is the trailer plug if you have one.
Look under the front fender wheels or where ever the wiring runs to see if something has cut any wires. The end yellow lead was melted in the connector and the female plug for this wire was black. Unplug your taillights at the sockets and the front running lights from sockets. If they are working and your dash lights are not, then the problem is probably in your headlamp switch. The problem could also be in the front parking lights, this is the same circuit.
It also enhances the look of your vehicle while giving reliable performance. Its the taillight circuit board or a broken wire. My turn signals in the front would dim when I turned them on and the ones in the rear would turn onand not flash. If fuse does not blow then plug in one socket at a time keep rechecking fuse. Get these tail lights at the most affordable price! Find the wire and clip it about 4 inches back too.
Pulled the turn signal flasher and what ever the one is to the right of it. Before clipping any wires, keep in mind that most older model year trucks have the same bulb filament used for both the brake function and the turn indicator function. If you do find a faulty wire, just run a new one from the engine bay to the back and splice it in. Use a standard cheap magnetic compass. Maybe a wire clamp has come loose in the engine compartment where these front parking light wires run. Location of the relay depends on the year of the truck but mine was in the engine compartment on firewall by the master cylinder.
Plain Jane accept for High Output Heater, Limited Slip Diff and Engine Block Heater. Try replacing those, and if that doesnt work look for broken wires under dash, and check all the fuses, replace blinker switch, and hazard switch. See if you can follow the wires from both the front parking and from the tail lights looking for evidence of damage Good Luck Feb 09, 2009. At the taillights how many wires are on plug that goes into taillights? Take off the lenses and see what your bulbs themselves are doing. To help pinpoint the cause of the problem, it would be very helpful to also check your front marker lights. But then I noticed when I hit the brakes with the lights off my front sidemarkers would come on very dimly. You may have to get at the connector for the headlights.