my 1990 c4 all of the sudden the following the brakes had no power to the brake light switch then it did after 24 hrs and n repairs then the interior light s are intermittant with the dimmer switch and the under hood lights are not working and it wintn start O put a charger on the battery took it off and now it will not crank over

|UPDATED|10/28/2015 12:29:32 AM (AZT)|/UPDATED|

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Disconnect and clan battery cables and terminals first. Then buy a volt meter and google  "Voltage drop test" and check from battery to ground and battery to starter motor. Anything more than 1.5 volts is a problem.

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ASE Master Certified, L1 Certified, Owner/Tech