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Terrick down Under · 09-13-2018, 01:50 AM

G'day everyone. We have a 88 Silverado 3500 RC dually, 7.4 with TH400, the box is history and are putting in a 4L80E.
Question.
How do you do the speedo reading when using a EZ converter/adaptor. Does it come from the last multi plug at the rear of the box or from the speed sensors??????
Yes, I am having one of those days and can't think straight.

09-13-2018, 01:50 AM	#1
Terrick down Under Registered User Join Date: May 2013 Location: Royalla, NSW, Australia Posts: 184	4L80E inot a 1988 3500.. HELP.. G'day everyone. We have a 88 Silverado 3500 RC dually, 7.4 with TH400, the box is history and are putting in a 4L80E. Question. How do you do the speedo reading when using a EZ converter/adaptor. Does it come from the last multi plug at the rear of the box or from the speed sensors?????? Yes, I am having one of those days and can't think straight.