no to nc for cruise control

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Forum Name: Relays
Forum Discription: Relay Diagrams, SPDT Relays, SPST Relays, DPDT Relays, Latching Relays, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=96662
Printed Date: May 11, 2025 at 12:42 PM

Topic: no to nc for cruise control

Posted By: ewingr
Subject: no to nc for cruise control
Date Posted: August 26, 2007 at 10:36 AM

My problem is that I need a normally open cruise control swith, but the ones that fit my colum in my old car are normally closed. Rostra says that only difference between the two is one wire. I'm told that taking that one wire through a relay will fix my problem.

Here is how I have it wired:

Wire from switch-> 85
Ground-> 86
Power->30
Wire from harness for cruise-> 87

Checking with a volt meter, I see that power is on to the wire going to the PCM whehter I have the cruise switch on or not.

Any ideas/corrections to my wiring?

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Thanks
Roger

Replies:

Posted By: sparkie
Date Posted: August 27, 2007 at 6:04 PM

What is your vehicle? Rostra does have both normally open and normally closed levers for some GM vehicles.

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sparky

Posted By: ewingr
Date Posted: August 29, 2007 at 9:09 PM

Hi Sparkie

My problem is that they do not have normally open ones that will mount to an older column. The column is a 1969 Olds Tilt/Telescopic column, in a '56 Chevy.

I spoke with Rostra yesterday, and they think they can figure out how to wire it through a relay. They were going to call me back with info on how to do it today, but didn't. I'll call them again tomorrow.

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Thanks
Roger