A couple of things to try.
1) Make note of the positions of the dip switches then move them all
off/on/off/on then return them to their original positions. The theory is
that might clean an iffy electrical contact in the tiny dip switches.
B) check for vacuum leaks & that the vacuum line check valve is not stuck
closed.
Eric Russell
Mebane, NC
http://home.mebtel.net/~ejrussell
----- Original Message -----
From: "Ronnie Day" <ronnie.day at gmail.com>
To: "Shop Talk List" <shop-talk at autox.team.net>
Sent: Thursday, January 06, 2011 12:04 PM
Subject: [Shop-talk] Audiovox CC
> Several years ago I installed an Audiovox CSS-100 (I think) cruise
> control on our '93 GMC PU. It worked fine for some time and then just
> quit engaging. It's getting power and I can turn it on and off. I
> checked all of the voltages in the T/S section of the (limited) manual
> and they're all where the list says they should be. I have done some
> research and will double check the grounds, but I figured it couldn't
> hurt to throw the question out to this crew.
>
> TIA,
> Ron
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