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Originally Posted by renchhednot
I am not sure what modules and I am not sure if my mechanic knows which ones they are either. The car starts and runs smoother but he said it is still not testing electrically like it should. He said there is something still trying to drain the battery.
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Usually testing battery drain involves a multimeter and pulling fuses to narrow down where the culprit is. I have a 95 supreme, 2dr. The key is not a computer chip but a resistor. It can go bad, or the pins inside the ignition won't read the key. There is a workaround, involves disconnecting the two wire connector(small wires) and wiring in a resistor to fool the ignition switch. Located above drivers knees. You have to determine your key resistance. Pretty easy. Symptoms are that turn the key, all the lights stay on but nothing happens. Also, had an intermittant symptom as above, bad negative battery cable. One day it could pull the required current, next day it couldn't.