2004 Grand Prix: the right blinker flashes fast but works in the fr...
The right blinker flashes fast but works in the front. The panel says right bulb out. There is no flashing light in back. Which needs replaced?thanks
Charles
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You have a body control module problem, more then likely . The BCM turns the turn signal on an off. Have a scan tool hooked up (a profesional grade scan tool ) One that can read codes in the BCM.
Turn Signal Lamps
The STOP/TURN/HAZARD fuse in the instrument panel (I/P) fuse block supplies battery positive voltage to the body control module (BCM) for the turn signal lamps. When the turn switch is placed in the LEFT TURN or RIGHT TURN position, ground is applied from G202 through the turn switch, to the turn signal switch signal circuit and to the BCM. The BCM then applies battery positive voltage to front and rear turn signal lamps supply voltage circuits. The left front turn signal lamp is grounded at G100, right front at G101, left rear at G301 and the right rear is at G302.
Usually if my right blinker is flashing fast it means one of my right blinkers is not working either front or back right side. Not sure but I know every vehicle I have ever had was like that. One blinders not working the other flashes fast, on the dash also.
This post he repaired the problem it was the light switch.
Right rear tail light stays lit, won't turn off https://www.bimmerforums.com/forum/showthread.php?2301226-Rear-tail-light-stays-lit-won-t-turn-off
because of no light flasher on left side the front one will go faster .maybe the left rear light is burn. and brake lights are control by the brake switch on brake pedal hardware, might be unadjust
Check the right side turn signal light's front and back could be a bad light bulb, if light bulb are ok then it's going to be the flasher, this part used to be a dealer item, but today we got a flyer from O'reilly auto parts and they started stocking this part, it's call a Hazard switch the flasher is part of the switch.
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