Having problems with your 2003 Chevrolet Express ?

2003 chevy express van cruise control

\015 I have an Audiovox css 100 that I have installed myself on my 2003 express 6.0 v8 with automatic trans.and it does not seem to work. I set most of my wires to the pcm's green connector as follows: tach is set on pin 26 (purple wire) and VSS on pin 49 (yellow black)(circuit 1827) but in my diagram it shows pin 50 is also a VSS sensor (dark green white)(circuit 817) I don't know if this one needs to be hooked up. The brakes pos and neg are coming off the connector above the brake pedal. I have the system set to pick up 4000 ppm and the vacuum is right off the intake manafold but it does not seem to want to hold any speed. Did I connected it wrong?\015 Posted / edited by AnonymousUser on : 19-02-2018

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Repair Help & Product Troubleshooting for 2003 Chevrolet Express

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