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TruckersReport.com Trucking Forum | #1 CDL Truck Driver Message Board
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Detroit 14L... Mystery problem, no one seen before.
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<p>[QUOTE="Prohemi500, post: 4865921, member: 119231"]I spent most of the day digging into the wires on the truck as I am leaning towards an electrical problem of some kind. I found what I believe to be the power and ground wires that power the ECM. There is a separate ground and 12v wire that run in two separate looms from the frame and the battery box to starter area. The wires looked fine, but I think I will replace them anyway. What's interesting is I found the ground wire from the frame to the cab and the cable is held to the cab with a 5/16 bolt which I thought was odd.. On the inside of the cab, the nut that holds the bolt also held 4 or 5 grounds coming from under the dash. The ends of the wires were all somewhat corroded and where they met the floor of the cab was corroded as well.. I cleaned all the wire ends and the floor, installed a new bolt and cleaned the cable that goes to the frame. Maybe these grounds have something to do with ignition?? I did notice that one or two of the grounds went to the rear of the cab towards the fuse panel and wabco ABS box. Maybe these grounds being cleaned will help.. Sure can't hurt! However, I still can't get injectors and the wabco abs box off my mind. Maybe someone can inform me if the abs box that got wet has any control over my engine or ignition? I think the wabco box may use the datalink to communicate through?.. Could that be a problem? I'm just grasping for straws here... Thanks to all you who have offered your opinions!!![/QUOTE]</p><p><br /></p>
[QUOTE="Prohemi500, post: 4865921, member: 119231"]I spent most of the day digging into the wires on the truck as I am leaning towards an electrical problem of some kind. I found what I believe to be the power and ground wires that power the ECM. There is a separate ground and 12v wire that run in two separate looms from the frame and the battery box to starter area. The wires looked fine, but I think I will replace them anyway. What's interesting is I found the ground wire from the frame to the cab and the cable is held to the cab with a 5/16 bolt which I thought was odd.. On the inside of the cab, the nut that holds the bolt also held 4 or 5 grounds coming from under the dash. The ends of the wires were all somewhat corroded and where they met the floor of the cab was corroded as well.. I cleaned all the wire ends and the floor, installed a new bolt and cleaned the cable that goes to the frame. Maybe these grounds have something to do with ignition?? I did notice that one or two of the grounds went to the rear of the cab towards the fuse panel and wabco ABS box. Maybe these grounds being cleaned will help.. Sure can't hurt! However, I still can't get injectors and the wabco abs box off my mind. Maybe someone can inform me if the abs box that got wet has any control over my engine or ignition? I think the wabco box may use the datalink to communicate through?.. Could that be a problem? I'm just grasping for straws here... Thanks to all you who have offered your opinions!!![/QUOTE]
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TruckersReport.com Trucking Forum | #1 CDL Truck Driver Message Board
Forums
>
The Garage
>
Trucks [ Eighteen Wheelers ]
>
Commercial Truck Forums
>
Freightliner Forum
>
Detroit 14L... Mystery problem, no one seen before.
>
Reply to Thread