Truck come in shop today would not run, check engine light on display flashing no eng . Checked lots of connections found no broke wires or blown fuses . Sitting in the seat on the phone the check engine light went off and it started right up . I fired it up multiple times . Later this afternoon I tried it again now it won't start again . Any ideas?
AD conversion fail on 2005 freightliner Columbia 14 litres
Discussion in 'Trucks [ Eighteen Wheelers ]' started by Towing freightliners, Sep 19, 2016.
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Down beside the seat, under the plastic cover that houses the diagnostic connector, find the connector that has 4 small wires and one large one.
The large one provides power to the sleeper blower fan and for whatever reason, causes the symptoms you described. On mine, if I ran the sleeper blower on high, the connector would get hot. All the gauges on the dash except air psi would go to zero, and if I shut the truck off while it was doing that, it would say "No Eng" and not restart.
Reaching down beside the seat and wiggling the connector would cause the gauges to start working again and the truck would start.
I cut the large wire away from the connector and spliced it together separately. No problems since.BoxCarKidd Thanks this. -
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