The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - LS Speartech Harness With Rostra Cruise Control Switch

Wildkarde · 03-12-2018, 10:18 PM

The problem usually comes from how the switches are set up. the LS control modules are looking for NO signaling, meaning there is no voltage on the set/accel or coast/resume wires until those buttons are pressed. Earlier GM vehicles and a lot of the aftermarket units are the opposite. From what I can tell the switch you have is the wrong set up, though I can't find anything for sure. You can easily check it with a multimeter, and if it is the wrong one, wiring up some relays to reverse the circuit would be pretty simple, and a whole lot cheaper than a new stalk.

03-12-2018, 10:18 PM	#2
Wildkarde Registered User Join Date: Mar 2018 Location: Ardmore Posts: 100	Re: LS Speartech Harness With Rostra Cruise Control Switch The problem usually comes from how the switches are set up. the LS control modules are looking for NO signaling, meaning there is no voltage on the set/accel or coast/resume wires until those buttons are pressed. Earlier GM vehicles and a lot of the aftermarket units are the opposite. From what I can tell the switch you have is the wrong set up, though I can't find anything for sure. You can easily check it with a multimeter, and if it is the wrong one, wiring up some relays to reverse the circuit would be pretty simple, and a whole lot cheaper than a new stalk.