Low power, no start, good battery, good, alternator, good strarter. please help

Asked by Zurapie Oct 25, 2017 at 02:11 PM about the 1997 Chevrolet S-10 RWD

Question type: Maintenance & Repair

97  chevy S10 (manual) can be jumped and driven but with low/dim power to
lights. If turned off it will not start. New battery, new starter, newer alternator.
All test good.  What are possible issues to cause low power and no start?
thank you
for all help given.

1 Answer
158,955

Bob answered 7 years ago

Check to see if the alternator wire has voltage to it with the engine off. Engine off, there should be 12 volts to the big wire on the alternator. If this voltage is missing check for a blown fuse or fusible link in the alternator wire. If voltage is present check and clean all battery connections including the one at the starter. These connections must be absolutely clean, free of corrosion and tight. Also check any ground wires you can find, they must have a clean and tight connection.

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