02 Sunfire Flash Modual

Old 12-05-07, 03:06 PM
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02 Sunfire Flash Modual

Hey I have a 02 Sunfire and my Rear left signal will not flash. I'm getting the fast clicking signal when i turn left and the front works fine. I have changed the bulb twice with the same results. I was told it may be the flasher. Ive read that its under the dash but I cant seem to find it. I can hear it but short of taking the entire dash apart I cant find it. Anyone have any suggestions?
Old 12-05-07, 03:55 PM
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Welcome to the forums! You are getting the fast flash because there is not enough resistance being applied to the flasher. That is, one of your filaments is not working, so the resistance is cut in half, thus the flasher goes fast when you click it to the left. I don't think your problem is in the flasher, but it is worth the look-see. It is under the left part of the dash, where the fuses are, and is most likely a round plug in module. Some are black squares, not sure of your configuration. Turn on the right signal and while it is flashing touch the modules in your fuse block. You will feel it click, similarly to the sound you hear. Pull it and replace it with one identical from your parts house. Post what happens.
Old 12-05-07, 07:04 PM
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I don't believe it is a faulty flasher, simply because only 1 bulb has a problem. If it were a flasher, the front would act up as well. I know that the sockets for the bulbs do have overheating issues, thus causing the contacts within the socket to expand and not make sufficient contact to complet the circuit. Take the bulb out of the rear that is inoperative. Does the socket appear to have a tan/brown color to it? Operate the turn signal while wiggling the bulb in the socket. What happens, does the bulb briefly light while you are moving it in the socket? If so replace the socket along with a new bulb. Do you have a test lamp? If so, test the socket contacts for power and ground. Does the hazards work? It could be an open or high resistance in either the ground or voltage circuit, or could even be a short to ground in the voltage circuit.

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