Need To Find Alternative Reverse Signal From Trailer Harness

[slemmer]

Recently my TBC2 fuse seems to blow when I shift to reverse. Taking out the reverse bulbs didn't stop the fuse blowing. While I figure out whats causing the problem I need to find an alternate reverse signal lead for my reverse camera. Does anyone know where the reverse signal lead is within the cab? I know it's a light green lead from the rear trailer harness but would like to find it in the MBEC or other inside location.

 

Thanks

 

Stephen

[redsled2007]

Don't know if this will help, but this site has a lot of manuals (free D/L's) that have a lot of info wiring schematics and body/chassis manuals.

 

http://www.gmupfitter.com/index.html

 

 

Look under "Bodybuilder Manuals"

[slemmer]

Don't know if this will help, but this site has a lot of manuals (free D/L's) that have a lot of info wiring schematics and body/chassis manuals.

 

http://www.gmupfitter.com/index.html

 

 

Look under "Bodybuilder Manuals"

 

Thanks for the info. I was on that site for most of the night and downloaded everything else for my year excluding that one last bit. Seems there is one additional manual somewhere.

[nickvrebel]

sounds more like you need to find that short that is burning up the fuse, I would start with disconnecting the aftermarket reverse camera.....

[dkjbama]

Center post of the 7-way trailer electrical connector.

[joe04]

Center post of the 7-way trailer electrical connector.

 

 

Agree with Nick. Get the camera out of the picture first. I don't believe ANY of the wires "IN" the trailer harness are designated for REVERSE.

[HawkScot]

Center post of the 7-way trailer electrical connector.

 

 

Agree with Nick. Get the camera out of the picture first. I don't believe ANY of the wires "IN" the trailer harness are designated for REVERSE.

 

 

 

The 7 wire trailer harness has a wire for the backup lights, which come on when the shift selector is put in reverse.

[flhusa1]

7 wire connections

 

the center one is reverse lights