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Ski-me · 05-30-2012, 01:09 PM

They should both (theoretically) be the same b/c they both recieve a pulse from the same sensor. The speed sensor (on T-case) sends a signal to the DRAC and then it gets sent out to the ECM, Speedo, cruise and ABS.

05-30-2012, 01:09 PM	#3
Ski-me Registered User Join Date: May 2012 Location: Colo Springs, CO Posts: 870	Re: 91 Suburban Cruise control question They should both (theoretically) be the same b/c they both recieve a pulse from the same sensor. The speed sensor (on T-case) sends a signal to the DRAC and then it gets sent out to the ECM, Speedo, cruise and ABS.