Question about 1998 Plymouth Grand Voyager
Your next step should be to replace the BCM, or body control module. Under the dash, to the left of the steering column. If I remember correctly, it is on the rear of the fuse panel, just above the parking brake pedal. This contols the functions you are talking about. in fact All the electical system of the vehicle, except for the engine and transmission, are mediated by the body computer module. This means that instead of hard wiring many components together that sense and respond to one another, they send and receive instructions through that computer. This allows for more complex behavior and reduced wiring. Before accepting a recommendation for replacement, there should be proof that it is faulty. With a proper test tool the computer will issue a fault code that says it is faulty, you shouldn't have to guess about it. There is a manual that covers the body computer and which gives procedures for problem-solving short of replacing the computer. Until those procedures are followed and unsuccessful it may be fruitless to replace it. It is located in the cabin, under the dash, on the backside of the fuse panel and is electrically connected to it by sliding them together so that terminals mesh together.
Posted on May 26, 2011
The problem is most likely be related to the wiring. I would suggest to have the wiring harness inspected. A visual inspect inspection is needed. What you are looking out for are loose wires or wires with bad insulation, exposed copper or terminals which are bad and may need cleaning.
Heat affects electrical devices especially the conductor. After running a grounded wire may have difficulty conducting electricity due to the increase in temperature. Vibration also affects this especially if it is a loose wire issue and problem may appear intermittent depending on the nature of vibration.
Posted on May 25, 2011
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Posted on Jan 02, 2017
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