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Southern MN | Check the cab corner wall plate, seen may times the amp connectors are green and will give problems, sometimes you can just wire brush the pins and use a terminal tool pin to clean up the sockets. Worse case you have to put new pins in. Had a 9610 same issue, found a internal broken wire in engine harness above battery/air filter. ran new wire from sensor to split harness by ECM on back wall plate. | |
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9510 alarm system.
