- Location
- Billings MT/Rapid City SD
Last summer I switched my 89 4.0 FI to a new painless computer. In the process I lost AC as the stock computer controls the AC switch requests, so I need to wiring in a switch to run the compressor when I want AC.
According to this diagram it would seem I would just need to run a relay and 12power on the Blue-T wire?
According to this diagram it would seem I would just need to run a relay and 12power on the Blue-T wire?