North American Turbocoupe Organization



Heater - AC blower relay?
TCorBUST Offline
Member
#1
On to the next problem....

My blower for the AC/Heater has recently started to work only in the high position. In my past experience with GM cars that's just a easy to get to relay. You can change them faster than filing up the gas tank.

Is this true for a Tbird? Where is it? If that isn't the problem, does anyone know right away what it might be?

Thanks.
'88 TC 5sp, K&N cone, t3.60/.63, ported head, Felpro 1035, Walbro 255 hi pres., Kirban FPR., 3g Alternator
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Pete D Offline
Administrator
#2
Assuming you have the manual system:

The EVTM suggest that the thermal limiter for the blower motor is open or the blower motor resistor is open or the blower motor switch is faulty.

I'll try to scan a couple pages from the EVTM later and e-mail them.

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NATO Member. it's not a vice, it's an obsession
You only need two tools in life; WD-40 and Duct tape. If it doesn't move and it should use WD-40. If it moves and it shouldn't, use Duct Tape.
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88 TC X 2, 86 SVO, mods list at
http://www.turbotbird.com/showroom/pd_88tc.htm

[This message has been edited by Pete D (edited 12-23-2003).]
Pete Dunham


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Jeff K Offline
Administrator
#3
Ford doesnt use a high speed fan relay like some GMs. If fan only works on high, 99.9% chance the blower resistor assy. is toast. It is located on the air plenum, pass side. Has a 3 or 4 wire connector on it. Held in with 2 screws.

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Jeff Korn

88 Turbo Coupe: Intake and exhaust mods, T3 turbo at 21 psi, forced air intercooler, water injection, bypass valve, Ranger roller cam, subframes, etc., etc.. // 86 Tbird 5.0 (original owner): intake, exhaust, valvetrain mods, 100 HP nitrous, ignition, gears, suspension, etc., etc.... // 91 Escort: Bone stock winter car // 02 Taurus Vulcan(wifes car)
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.
05 Taurus SEL Duratec daily driver
04 Taurus Duratec (wifes car)
02 Pontiac Grand Prix GT
95 Taurus GL Vulcan winter beater
67 Honda 450 Super Sport - completely customized
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TCorBUST Offline
Member
#4
Yes, I remember seeing that when I did the heater core. I'll check the plug connections.

Thanks.
'88 TC 5sp, K&N cone, t3.60/.63, ported head, Felpro 1035, Walbro 255 hi pres., Kirban FPR., 3g Alternator
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