Senior Tech Team
Join Date: Feb 2002
Location: Howard Lake, MN, USA
Re: 200r4 Lock up wiring basics
a TH350 and 200-4r trans are the same overall length with the same splines on the output shaft, so the driveshaft is a plug and play deal..
regarding the wiring- use google to find some wiring diagrams.. there are a lot of them out there.. if you have a trans from an 87-87 turbocharged Regal or GN, then it will also be wired with a 3rd gear pressure switch so you can lock it up in third, too.. those trannies use a slightly different plug than every other rwd overdrive trans- it looks almost the same, but it's black instead of white and it won't plug into a trans that is only wired for a 4th gear pressure switch.
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