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by shellnd on February 16th, 2007

shellnd

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I have a 2003 Dodge Caravan and recently the cruise control, horn and airbag all stopped working at the same time. The fuses are all good. What could be wrong with it?

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  • by Bonedry on February 18th, 2007

    Bonedry

    Most later model vehicles have a fuse buss yes, but they also will have what is called relay buss as well.

    Usually the relays are of a higher amperage, and which basically look like fuses, but can be much larger in most cases. The relays are usually located with-in a box found there in the engine compartment, where the fuses are usually in a box there in the passenger area, usually down under the dash by the drivers legs, or many have them behind a small panel in glove compartment area.

    If one was to find their owners manual and peruse through the section for fuses and relays, they will not only find the areas of both, but it will tell you what each is for. Many of the relays and fuses are a grouped buss, meaning many things together are controlled by each individual slot. In fact, just a few days ago, I had to replace a fuse myself, where it turned out to be a relay instead, after finding all the fuses were good. Mine had blown, which controlled the power to the radio, the digital readouts on my climate control, the fan blower switch, and the speedometer sensor. It sure was odd to find all those unrelated things grouped to one relay, but it is determined by the amperage need, and not so much the items needed to be grouped together.

    I do hope this helps ya, and if not, the dealer would be the best bet to trace down the problem as there can be many other situations for your concern. Meaning it could also just be a seperated connector that contains those particular wires in the harness, or a massive group short due to maybe some oil dripped into a connection coupler, or sometimes we can even hit something underneath our vehicle that could possibly sever some wires, or break a coupler that may run on the low underside of the vehicle, if struck just right, or hard enough.

    Good luck, be well, and peace!

    Comments

    • Thanks nevets, it has been given many such kudos by others as well. Sweet dreamies, and peace!

      Bonedry

      by Bonedry on February 18th, 2007

    • Good answer. I'd have typed the same thing in half the length, however, and probably missed something. Points

      geek860

      by geek860 on March 27th, 2007

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