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View Full Version : 2004 Crescendo turn signal problem


Don Canterbury
11-15-2010, 06:27 PM
The turn signals coming out of the ECM bay (bay between the battery bays) to the 7 way trailer hook up do not work properly when the lights are on. They work fine with the lights off and at one point in time they did work fine. They do no work properly with or without the trailer plugged in.

04Crescendo
11-15-2010, 07:45 PM
It sounds like it could be a bad ground. Look for corrosion either the wire bundle, or even the battery cable. Just a thought.