Yes. I use separate relays for each fan. 10g from batt+ to 30 amp fuse or a circuit breaker from there 10g to pin 30 on relay, run ground from pin 85, 10g from pin 87 to fan or fans, pin 86 to ign, thermo, and man override. As I said I use 2 relays 1 for each fan because they pull a lot at start up. I think around 30 or so together once they are running. I use manual switch just in case or if I want to sit after its off and let them run. Im sure there are relays with timers that will shut if off after X amount of time but with my luck the relay will stick and run my battery dead
It is a great setup for any mustang. Needs to be a 24" rad for it to fit right although a friend of mine and I sculpted the fan shroud and fabed a, well really another aluminum shroud around the radiator to mount the fan and shroud to. If that makes sense. 24" is the way to go though a lot less work and looks factory really.
I run a powermaster 140 1 wire with no issues. Now my motor idles at about 1200rpm so its right at the exciter point. If you idle at 550-600 rpm with your fans on then a 3 g is the way to go. I'm not sure but I think the tarus fan pulls more amps than the contour plus the contour is a very slim unit compared to the tarus
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