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350C to non-lockup?

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b4black

Well-Known Member
Joined
May 24, 2001
Messages
3,773
I have a 1982 Turbo Regal with 350C trans and 3.08 gears. I'm building it up for racing. The trans builder suggests doing away with the lockup. I am OK with that, since this will not be street driven much.

On most 350C's there are only two wires going to the TCC solenoid. On this car, there are four. The other two are for 2nd and 3rd gear switches. If I do away with the lockup, will the ECM have issuses? Does it need to know what gear it's in? Will it turn on the check engine light?


From the service manual (two and four wire diagrams):
MX5.jpg
 
I don't think the ecm will care if you unplug the trans connector. It's not that smart, all it wants to know is if the trans is in high gear so it can command lock-up.
 
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