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Check the battery to make sure it is fully charged and capable of producing enough power to crank the engine.
Engine to chassis ground
Bad battery
Dirty battery terminals
Replaced aftermarket terminals with corroded connections (power or ground)
Use a volt meter to test for bad grounds-connections. Start at the source of power and ground connections, the battery.
A bad ground will give you a voltage reading along the ground circuit itself. Connect the meter to the engine block or other metal part and the negative battery terminal of the battery.
If, when you try to start the car you see a voltage reading of over .25 volt, start at one end of the circuit and clean connections until you no longer get a voltage reading. It could be one bad ground or numerous bad grounds. Once you get them straight it should operate normally.
regards
mech
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