Hi Techs,

This Chevy Truck has the "4WD Service" lamp on and has no

4wd/high,4wd/low or neutral availble,only 2wd.

None of the bulbs light at the switch except briefly

when engine cranked,other wise inop all the time.

Codes CO315:Motor ground circut open ...

FIX posted 8/3/2007

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