Wiring problems cutting out

Discussion in 'Camper Conversions' started by Steven Paul, Sep 30, 2022.

  1. Hey guys got a new wiring loom installed.the camper ticks over no problem at all.I go for a drive and going through the gears she cuts off and on.it could happen 5mins into drive or 20mins.the power shuts down the complete bus.I have check the black & red wires
    The fuse box looks good no burning.with any advice it would be great thank you

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  2. I’d check clean and tighten the connections on the post on the starter motor as a first job!
  3. Ok I will try it today thank you

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  4. Also check your connection’s on the battery posts
    DubCat likes this.
  5. Dubs

    Dubs Sponsor supporter extraordinaire

    Try waggling the wires that go into the ignition switch with the engine running. I had one recently that cut out if the wires where knocked, or you went over a bump. Loose connection inside the switch was the culprit.
    paradox and Steven Paul like this.
  6. mikedjames

    mikedjames Supporter

    The ignition switch contacts burn away too . Probably replacing the wiring harness missed the one fault that caused somebody to want to change the harness in the first place.
    Steven Paul likes this.
  7. Thanks I put in a new universal ignition switch in BrillAnt job.the old boys probably not like it lol but works the best.I found out that the leisure battery was killing the camper.now I have find out want the problem.I have GPS & heater installed that’s it

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  8. mikedjames

    mikedjames Supporter

    Is the leisure battery charged to begin with? , and is the starter battery a bit dead ?
    Some crude charger arrangements with a relay and fat wires and no fuse might be able to connect the flat leisure battery to a nearly dead starter battery and make the voltage drop enough to kill the ignition, at the same time not actually catching fire..

    If its a bit hard to start then dies when the alternator light turns off ...the state of the batteries plus a split charger relay could do it.

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