jamnutz
Member
- Joined
- Apr 14, 2023
- Threads
- 2
- Messages
- 10
- Reaction score
- 8
- Location
- Mississippi
- Vehicles
- 2006 Chevrolet Dually, 1991 GMC Syclone
- Occupation
- Oil Field
- Thread starter
- #1
I upgraded to a 12" Screen and changed the APIM for one with Nav. Now when I start the truck it says Brake system problem, battery low and the parking brake will not unlock. There is a connector that I don't know where it goes, I don't remember unplugging it but if you look at the pictures the harness is right under the ground and it splits 1 plug goes to the ignition switch and the other one that's unplugged in the picture with the red end, I don't know where it goes or if it was even connected prior to me changing the screen. I put the original APIM back in with the 8" screen and it gave me the same brake/battery/locked parking brake issue. Can anyone help me? I'm not a novice at working on and building cars, but I can not find where that connector plugs in? I disconnected the battery prior to doing any work on the truck to protect the electronics. I'm baffled. It seems like it's a plug for gauges or sensors. For all I know it's a extra harness foe trailer brakes and I have a problem that's not associated with the plug at all. I have the battery on a charger to top it off to make sure it's not a low battery issue causing this. But I'm looking for help. Truck is a base 23 XL RCSB 5.0.
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