View Single Post
mattdavis11 mattdavis11 is offline
Just thinking out loud
 
mattdavis11's Avatar
 
Join Date: Nov 2001
Location: Close by
Posts: 6,885
We've over complicated a simple wiring setup. You only need one relay, a constant 12v, switched 12v, and ground.

Power the relay on terminal 30 and 86 (switched), 87 goes to fan +, fan ground to chassis, dash switch and thermofan switch provide ground to relay terminal 85.

The dash switch and thermo fan switch will have one wire each going to ground. Essentially all you are wanting to do is provide a ground for the relay with a switch, or two in this case.
__________________
83 944
91 FJ80
84 Ram Charger (now gone)
Old 05-02-2024, 08:31 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #42 (permalink)