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Discussion Starter #1
So this is my first time ever posting to a forum. I have read many before but I am striking out with this issue and figured I would try my luck here. When my key is in the on position my wipers and turn signals work fine. With the car running the turn signals will flash a few times the pause. This happens on both sides and continues until I turn and they automatically shut off. Now the issue with my wipers is I have no slow/delay speeds. I do not have rain sensing wipers. Here is what I have done so far. Cleaned and added grounds, changed the wiper motor, changed TIPM, changed FCM changed turn signal switch. I am at a loss, any help would be appreciated.
 

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Strange, Sound like the engine vibration makes something move in the electric circuit somewhere. Loose cable or damage computer somewhere. Is the voltage stable when the car is running ?
 

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Discussion Starter #3
Voltage is right where it should be, I have tried running a jumper cable from the battery to the positive post on the TIPM and nothing changed, I am tempted to pop the serpentine belt off and start it to see if the alternator is possibly causing an issue. That would then eliminate it or vibration. I am a bit worried though, my dash lost all of the gauges this weekend, I took it out and found a loose plug, that is not the issue, I also found a mouse nest behind the cluster.
 

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I could not find any chewed wires, but I know that does not mean there aren't any, I just still don't get why it works fine with the car off and not when the car is running, what control module are you thinking?
 

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The grounding circuit could be slightly different when the car run and when it's on battery power. Creating a short and cause the problem. The alternator also gives a few volt more, and could be just the exact difference to connect 2 wire that are very close together. Murphy law... There's the vehicle system interface in the central console, under the radio. And a few others. I think the best would be to follow the wire harness.

possibly this one since it link the dash and light
 
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