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Would recommend charging battery first, and since it is a Optima, that is a PIA. You can research that procedure on line. Next thing to do is to see if the battery is actually charging. Jump car to start. Connect volt meter to + side of battery and - to good ground. Rev engine to 2500 RPM, hold it there and check volt meters reading. Repeat test with volt meter on hot side of firewall mounted starter solenoid. Output should be 13.6 to 13.8 volts.. . If your output is less than 13.6 volts, check all the connections on battery and main chassis grounds. The voltage regulator is the first thing to replace. (Least expensive - assuming you are not running a single wire alternator) repeated tests. Any red light on dash when engine running? Contact me if you need additional guidance. (My contact info is below)
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Wiring Diagrams: SPF MKII, MKIII, GT40, CSX7000, CSX8000, Corvette Grand Sport, and Shelby Sebring, Bondurant & Cinema Tribute Cars.
Owner’s Manuals: SPF MKII, CSX7000, CSX8000, Sebring, Bondurant, Cinema Tribute Cars $ GT40’s..
Large, easy to read and trace schematics with part numbers, wire colors, wire gauge, fuses, and electrical upgrade information. Trouble-shooting and replacement part numbers for those roadside repair adventures.
SPFWiringDiagrams@Comcast.net
Last edited by Blas; 09-23-2015 at 05:32 PM..
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