Intermittent Cruise on 03 Caravan


Old 07-21-10, 03:39 PM
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Join Date: Jun 2006
Posts: 9
Intermittent Cruise on 03 Caravan

My 03 Dodge caravan has a 3.3 flex fuel motor. 110,000 miles roughly. Sometime the cruise won't work. Yesterday it worked fine for a while. I shut it off and the cruise light would not come back on on the dash when I tried to use it again.. I'm sort of mechanical if I know where to look. Can use a meter etc. A relay maybe? What is the most likely culprit?
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Old 07-21-10, 09:10 PM
Join Date: Oct 2008
Posts: 1,312
There are various electrical inputs... The control switches, brake pedal switch, vehicle speed signal, etc.

You are best to get a factory electrical diagram from a factory service manual set of books (order from dealer), then troubleshoot with a multimeter to find the exact source of the trouble.

Otherwise about all you can do is inspect the wires and connectors to be sure they have good connections.

You can connect a multimeter to the wires on the connector to the cruise control, but who knows what the readings should be without the electrical diagram! (What wire goes to what?)

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