Dear BL: 02 Rendezvous won't start (even when
jumped...initially has charge til battery drained).
Sometimes I put the key in, nothing happens.  I remove the key, and you
can hear relays going wild and gauges go in opposite direction.  Is
this an electrical short or bad Control Module or relay or something
else?  Thanks much!






BL:
This really sounds to me like a bad/shorted battery. Batterys can do some strange
things. The fact that when the key is in the ignition you get nothing, but when you
remove it you hear alot going on is probably because of a low system voltage
condition. Modules, relays, switches on todays cars dont like a low voltage situation
and cause them to act very odd. First check the battery connections are clean and
tight. There is also a service bulletin about an underbody wiring connector getting
corroded. It is under the truck, just behind about where the dr. seat is. The connector
and harness go up to the floorboard. This connector gets corroded inside and can
cause several electrical concerns.
            
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