intersting this, I have a 94 Griffith with the identical AC loom and trinary switch wire colours and connections.
I too have purchased a new. I believe the n/o switch closes at a fairly low pressure increase as history tells me there’s not much of a time delay between compressor kick-in.
Factory Air by Four Seasons’ trinary switch part numbers are and Shown below are the terminal positions, typical wiring colors, and usage. intersting this, I have a 94 Griffith with the identical AC loom and trinary switch wire colours and connections.
I too have purchased a new. In this video, Vintage Air Vice President Rick Love discusses the importance of safety switches.Four Seasons’ trinary switch part numbers are and Shown below are the terminal positions, typical wiring colors, and usage.
Also below is the internal schematic for each of these switches. If the original trinary switch terminals are different, a four wire boot connector (part number ) can . Find great deals on eBay for trinary switch.
Shop with confidence. Jan 13, · I was looking at the wiring diagram for your radiator fans on the Be-Cool website. Because you have a trinary switch, the AC relay setup they show in their diagram is unnecessary. Using a trinary switch can improve system performance, extend the life of the radiator fan, and in this case simplify the wiring substantially.
Jul 11, · Vintage Air Trinary switch wiring, PSI harness I have a PSI harness with 2 wires for the fans, but how do I incorporate the trinary switch to turn on one of the fans without interrupting the ECM? this is an LS3 swap, Griffin Radiator, twin fans with PSI harness. Apr 12, · The temp switch only provides a ground to the block.
So I wired the temp switch to provide a ground for the fan relay. I piggy backed the trinary switch on the same relay ground terminal to activate it.
The other trinary switch wire simply goes to chassis ground. It simplifies wiring and works fine.Trinary Switch • Infinityboxtrinary switch | eBay
