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#1
12-23-2025, 04:18 PM
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There may be a separate battery wire that maintains the short term memory, like in a car radio. If so, it may be a bad connection there. Just speculating tho.
George
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"...out to my ol'55, I pulled away slowly, feeling so holy, god knows i was feeling alive"....written by Tom Wait from the Eagles' Live From The Forum |
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#2
12-24-2025, 05:38 AM
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Thanks George, I never gave that a thought. All my old trucks have been OBD1, so OBD2 is something of a new animal for me.
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#3
12-25-2025, 11:25 AM
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Find a manual and see where all of the power is for the PCM. Maybe one is nonfunctional.
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#4
12-26-2025, 08:58 AM
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I'm sure I can find something online for a wireing schematic, after that we are going to start checking the wireing and most important the grounds to the PCM. I'm reading that an aftermarket part in the fuel system may cause the problem also.
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