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would you have any insight on 2005 Mack CHN613 cluster gauges turning on and off randomly?
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ok.. heres a quicky... there is a ground to the left of the fuse panel in the dash. clean it really good, remove the paint and throw the star washer away, do the same behind the cluster to the ground on the left.. then clean the ground on the frame rail behind the left steer tire.. there is a big ground bolt on the engine block in front of the starter.. it WILL cause this issue. then go up to the firewall, and clean the black ground breaker that is next to the relay. right below the center of the windshield... clean all to bare metal, then re-test.. jojo,,,,,, its my bedtime,, good luck