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hats off to the OP for a simple plan...which I overlooked
OK, it's done, but I'm still considering adding a second, timed relay to be able to give my fan 10 more minutes of cooldown with the key off (just to trigger the main power relay for 10 minutes). I've found the parts needed (a mini-relay (wi-fi configurable) and a diode to prevent feedback. But that'll come later.
After re-reading this thread, I finally made the mental connection that bcredliner used an all-in-one adjustable thermostatic controller with a 40 amp relay built-in, and not one like mine with separate T-switch and relays to wire together. Makes for a simpler, cleaner installation...especially since I had to add more wiring later, to retrofit an adjustable fan controller. I thought I was saving money, haha.
On his installation, he only used the underhood positive "jumper post" to supply both the low amperage trigger voltage and the higher amperage output voltage to the self-contained controller. No switched power, no manual override control, no compressor actuated switch. Very clean and simple. Kudos!
On the other hand, I overcomplicate everything, thereby learning what works and what doesn't on my new-to-me X5. next time, though....
__________________
01 BMW X5 E53,3.0i-5L40E, 7/13/01
topas-blau,Leder-grau,"resto-project car"
Here:
14 Lexus ES350,3.5L-U660E
09 HHR Panel,2.2L-4T45E
04 Chevy 2500HD,6.0L-4L80E
98 GMC Sierra 1500,5.7L-4L60E
Gone:
66 Chevelle Malibu 2dr ht.,327>441c.i.-TH350>PGlide/transbrake
08 Cobalt Coupe,2.2L-4T45E
69 & 75 C10s,350c.i.-TH350
86 S10,2.8L-700R4
73 Volvo 142,2.0L-MT4
72 & 73 VW SuperBeetles,1.6l-MT4
64 VW,1.2l-MT4
67 Dodge Monaco 500 2dr ht.,383c.i.-A727
56 Chevy 210 4dr,265c.i.-PGlide
Last edited by workingonit; 07-19-2021 at 06:37 PM.
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