Question about 2000 Jeep Grand Cherokee
The turn signal quit working and i ordered a new switch and it still didn't fix the problem .the flashers work so i know all the bulbs are good i can't seem to pinpoint what is wrong.
First I recommend making your own "power flow chart" Make a simple diagram of the directional system as you know it to be. Then, using that chart, take voltage readings and use a test light at each point you check.(write down results on chart) On the power side, you should get a 12v reading and have a bright light on test light. On the "flash" side, you should have 12v and bright light pulsing. I like to work from both ends in... that eliminmates stuff like starting at the front and finding the problem all the way at the back. Make sure you have a good ground everywhere. If in doubt, either re-ground body or while testing, use a seperate long ground wire from the battery connected to test light or meter.Make sure all appropriate fuses are good. Use power in, power out test on all plugs, junctions and sockets.
It sounds complicated but it's not.
Posted on Feb 14, 2009
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