Sometimes flashers work as they should, other times they do not react quickly, either left or right, and flash intermittently. There is no consistency, and I assume I need a new relay. If so, how can I replace the relay. Any other thoughts?
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When the turn signals quit working pull up , down , front to back an back to front on the turn signal switch handle . Do they work when doing this ? Pontiac had bad switch . The power for the turn signals goes through the flasher / hazard module . Could be the switch or the module.
The HAZARD LPS fuse in the left hand instrument panel (LH IP) junction block supplies battery positive voltage to the flasher module, which is part of the hazard switch assembly. The TURN LPS fuse in the LH IP junction block supplies ignition positive voltage to the flasher module. The turn signal lamps may only be activated with the ignition switch in the ON position. When the turn signal switch is placed in either the left or right position, current flow is from the flasher module's output to the turn signal switch assembly. The flasher module then sends an on-off voltage signal to either the left or right turn signals and their instrument panel cluster (IPC) indicator. When the hazard switch is pressed, all the turn signal lamps will flash including both IPC turn signal indicators.
Instead of a flasher relay, GM used a circuit in the flasher module.
I had the same problem. I found the solution on a Pontiac Grand Am forum. This was posted in 2006.."Many Grand Am's had a recall on the hazard switch causing the signal to stopworking. Next time it happens turn on then off your hazard lights and see if the turnsignals start working again. If so go to a local dealership and see if your car falls under that recall (free fix)." I ordered one on line for $12.00 or $15.00 ,PartsGeek I think.
Put it in and fixed my problem . Good luck.
Get a wiring diagram from the Free portion of the Autozone site. It is a little work to separate the Help categories at the bottom of their Webpage.
I have heard of SOME 4-way flashers that are built into the turn stalks causing problems. The contact pins for the turn signals are shared as 4-way flasher pins. Try clicking the 4-way flashers off/on about 20 times and then use the left turn signal. It has been known to reseat the contact pins.
The wiring diagram I mentioned would show where the tailgate top light gets its power. One feed should go to the brake light switch for the brakes and another feed should be the flasher feed.
As I see it, you have 2 extra lights going on when you use the left turn signal. Those 2 lights are the tailgate light and right turn signal. The wiring diagram should show the places where the wires are close enough to cross. I am thinking the 4-way flasher is the only place where the top tailgate light gets flasher power; the rest of the time the tailgate light is a Brake light.
I do not want to spend your money on an unnecessary turnstalk and that is why I say to look at a wiring diagram and see if there is anyplace where the wires could cross.
Last, trailer hitch plug. All wires are bundled with left turn, right turn, and brake light in the trailer hitch plug. Corrosion could connect the terminals.
I think the brake light and turn signal are on the same bulb on these, correct?
If so do the turn signals work?
If they do than I would bet that the turn signal switch itself is the problem. The power for the brake lights is routed through the switch (except for the third brake light that is supplied power directly form the brake switch). The turn signal switch will interrupt power from the brake switch and supply power from the turn signal flasher depending on if the right or left turn signal is engaged.
Sometimes wiggleing the lever or pushing the four way flasher button with the brake pedal depressed will intermittantly cuase the brake lights to work. If this is the case than it is the turn signal switch that is causing the problem.
turn flashers on...do the lights both flash? when you select left position does the turn indicator show that it is on...just not flashing? then clean up sockets and inspect/replace bulbs...sometimes i just find loose and dirty connections. But a marginal bulb will cause this problem also..works good for awhile when car is cool, but after it get hot then it gets intermittent.
You more likely have a bulb that is no good. The next time your signals aren't working, pull over and check to see which bulb isn't working. Make sure the turn signal is on while checking. It should only be the left or right. Not both. Sometimes you can see the blown bulb with the hazards on depending on your model vehicle. Simply check the bulb thats not blinking for a tight fit. Then replace it if thats not the cure.
now when you say flashers work, I'm assuming you mean the 4 ways or Emergencys. As to the intermittent left signal working, I would first inspect both front and rear bulb sockets for corrosion and bulb condition. (Replace the Bulb, you can then rule it out). Clean and reinstall. If your problem persists, I would suspect your multi-switch contacts or connectors (Turn Signal Arm/Stick on the column)
Check and see if your hazards switch are not sticking..The flasher is right under the steering column..Turn blinker on with engine off and you'll be able to follow the clicking noise from the flasher.Just hopefully it doesnt stop before you investigate where it is..Hope this helps you and good luck..and have a great day...