First let me say that you must start with a battery that passes a load test, you can crank it for 20 seconds and it should not drop below 9.6 volts, this is another load test. Since it won, t start you may have a bad starter, or a bad charging system, either will cause this slow cranking clicking relay sound. So will a bad battery cable. The positive cable could have high internal resistance, causing boyh a hard start and a no charge condition. Remember, cables(BOTH), + ALTERNATOR, STARTER, WILL CAUSE THESE THINGS TO KILL A NEW BATT. AND PREVENT A STARTER AND CHARGING SYSTEM FROM OPERATING. THE COMPUTER COULD BE BAD ALSO, IT CONTROLS THE FIELD COILS INSIDE THE ALTERNATOR.
SORRy my caps key is bad. Have your starting and charging system checked. The cables corrode inside of the strands of wire, you'll see green.
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Thursday, October 15th, 2009 AT 1:58 PM