Thread: What's this?
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Old 08-15-2017, 02:13 PM   #10
OUbesto
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Location: Lincolnshire, IL / Burlington, WI
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Re: What's this?

Quote:
Originally Posted by 100%Chevy View Post
Yes,there's solenoid in the trans that engages the passing gear.
The TH-400 was originally introduced in 1965.GM has used it on most all their products since.That switch was used on all until later when a different version was added to the throttle pedal.
Also,on a TH-400,that vacuum hose to the modulator isn't for the passing gear like you find on TH-350 and others.
Mike.
Thanks Mike for your reply and information. So when I do my re-wiring, should I eliminate the kickdown switch since it is not connected to anything?
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