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Re: missing IAC signal
Greg,
The IAC isn't a solenoid, it's actually a stepper motor - it actually adjusts in steps rather then just a flat on/off. The IAC has four wires .... 2 power and 2 ground. If both circuits were fully energized at the same time, the IAC would be trying to go 2 directions at once and burn out.
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Wanted to buy:
86-88 Fiero GT, 5 speed, fixer-upper. Blown motor, no motor? No problem! Rusty unibodies need not apply.
74-79 Ramcharger or 100, slant or no motor - not interested in v8 - Overdrive 4 is a big plus, NO hopeless rust buckets!!! 
3Rd gen F body floor pans/camaro door skin (L)
 Why is it I see so many "Proud to be an American" bumper stickers on the backs of cars made in Japan or Korea??????
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