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The previous owner hard wired a switch directly from the battery and I would like to put it back to factory specifications. Does anyone know where to locate the correct fan control module
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86thunderchicken
Joined:
Jan 2011
Salem, Oregon
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I believe the fan controllers are behind the glove box kind of or behind the dash near the steering column on the lower half
1986 TC 240,000 miles. Walbro 255. Soon to be under the knife for an 87 5 speed swap
1992 Mustang LX 5.0, headers, H pipe, and soon to have subframe connectors to boot!
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Jeff K
Joined:
Apr 2001
Milwaukee, WI
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^^^^ +1 Behind the glove box.
The fan control module is a VERY common failure.
Jeff Korn
88 Turbo Coupe: Intake and exhaust mods, T3 turbo at 24 psi, forced air IC, water injection, BPV, Ranger cam, subframes, etc., etc.
86 Tbird 5.0 (original owner): intake, exhaust, valvetrain mods, 100 HP N2O, ignition, gears, suspension, etc., etc.
11 Crown Vic Interceptor
14 Toyota Camry (wifes car)
95 Taurus GL Vulcan winter beater
67 Honda 450 Super Sport - completely customized
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Where can I find a replacement for sale? I'm looking all over the internet and can't find any
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Jeff K
Joined:
Apr 2001
Milwaukee, WI
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The module isnt anything special..... it is just a high current 40 Amp relay triggered by the coolant temperature switch in the lower intake, along with a trigger to turn the fan on when the AC compressor is energized. If it were me, I would just build my own controller with a 40 A relay to turn on the fan triggered by the temp sensor, and a second small relay triggered by the power feed from the AC compressor clutch coil to turn the fan on with the AC.
Jeff Korn
88 Turbo Coupe: Intake and exhaust mods, T3 turbo at 24 psi, forced air IC, water injection, BPV, Ranger cam, subframes, etc., etc.
86 Tbird 5.0 (original owner): intake, exhaust, valvetrain mods, 100 HP N2O, ignition, gears, suspension, etc., etc.
11 Crown Vic Interceptor
14 Toyota Camry (wifes car)
95 Taurus GL Vulcan winter beater
67 Honda 450 Super Sport - completely customized
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86thunderchicken
Joined:
Jan 2011
Salem, Oregon
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Can you show a rough sketch wiring diagram of your idea? lol
1986 TC 240,000 miles. Walbro 255. Soon to be under the knife for an 87 5 speed swap
1992 Mustang LX 5.0, headers, H pipe, and soon to have subframe connectors to boot!
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Jeff K
Joined:
Apr 2001
Milwaukee, WI
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So easy you dont need a diagram...... Fan switch on intake grounds when fan should run. Grab key in run power from somewhere, Run to 1 40 A relay coil terminal. Other coil terminal goes to fan switch on intake.18 AWG wire is fine for these runs as current is very low (around 100 mA). One normally open relay terminal goes to battery using 10 AWG wire with a 40 A fuse. Other relay terminal goes to fan + terminal, again using 10 AWG wire.
Jeff Korn
88 Turbo Coupe: Intake and exhaust mods, T3 turbo at 24 psi, forced air IC, water injection, BPV, Ranger cam, subframes, etc., etc.
86 Tbird 5.0 (original owner): intake, exhaust, valvetrain mods, 100 HP N2O, ignition, gears, suspension, etc., etc.
11 Crown Vic Interceptor
14 Toyota Camry (wifes car)
95 Taurus GL Vulcan winter beater
67 Honda 450 Super Sport - completely customized
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86thunderchicken
Joined:
Jan 2011
Salem, Oregon
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Jeff any way you could show a picture of the diagram with what you would do? I’m a very visual learner it helps immensely
1986 TC 240,000 miles. Walbro 255. Soon to be under the knife for an 87 5 speed swap
1992 Mustang LX 5.0, headers, H pipe, and soon to have subframe connectors to boot!
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RC Martin
Joined:
Mar 2006
Colorado
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On my 84 it was the temp switch itself that stopped working, a new one was something like $6 at rockauto. It also comes on very late, at 220F -- this is the OE design.
Thunderbird Turbo Coupe, Bright Canyon Red TuTone, Desert Tan Interior; 1 of 7 in this combo in 1984 according to Marti. 1 of 13,361 TCs in 84.
Rebuilt, 3-Angle Valve Job, SYB37 "OE/Small" Slider Cam
Full 3" Stinger Exhaust to Flowmaster 40, Gnari FMIC/Recirc/BPV, MBC @ 18psi, RF-E6 Manifold, Remote-Mount TFI, PC1 and Flowed 35# Injectors, Inline Walboro 255HP, Kirban AFPR
Rebuilt Suspension -- KYB & Energy Suspension
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