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Dakota Digital VHX (88-94 gauges)

Alright, here's my $0.02.... on my '90 K3500 Dually I was able to figure out the following: -The purple wire on the gauge cluster marked "fuel" on the diagram is definitely the correct wire for the fuel gauge, you can run the ground wire straight to the frame -The "VSS High In" and "VSS Low...
- PumpMan
- Post #9
- Feb 11, 2021
- Forum: Audio + Electronics
Dakota Digital VHX (88-94 gauges)

Hey There D_EATON, Did you ever get this truck running? I'm currently installing one in my '90 dually
- PumpMan
- Post #8
- Feb 10, 2021
- Forum: Audio + Electronics
A/C retrofit on a 90 3500

Thanks! This truck was originally a cherry picker for either a power or telephone company, must have been common practice. I'm going to be spending most of my next few summers in this thing, so A/C is critical! looked at it more seriously today and it doesn't look too hard, Original Air...
- PumpMan
- Post #6
- Jul 9, 2019
- Forum: Engine Performance + Maintenance
A/C retrofit on a 90 3500

Thanks! This truck was originally a cherry picker for either a power or telephone company, must have been common practice. I'm going to be spending most of my next few summers in this thing, so A/C is critical! looked at it more seriously today and it doesn't look too hard, Original Air...
- PumpMan
- Post #6
- Jul 9, 2019
- Forum: Engine Performance + Maintenance
A/C retrofit on a 90 3500

Hi guys, Has anyone seen a write-up on retrofiting a complete A/C system into a non-A/C 88-90 truck? The mechanical system is easy, I'm just not sure what the easiest way is to hook up the controller. I would definitely swap out the entire HVAC system under the dash and all the accessory...
- PumpMan
- Thread
- Jul 8, 2019
- Replies: 6
- Forum: Engine Performance + Maintenance