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Electrical problem

Discussion in 'Volvo Forum' started by dphillips, Sep 19, 2017.

  1. Sep 19, 2017 #1
    dphillips

    dphillips Light Load Member

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    May 14, 2013
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    I have a 07 Volvo 670 and my windshield wipers keep blowing fuses. the mechanic change the wiper motor it work momentarily and then problem came back . recently I tried to turn them on and they stayed off it wouldn't even allow me to put in another fuse in to come back on they unplugged the wiper motor from the harness and saw that even though the wipers were in the off position is still had power going it. So next they ran a wire from the fuse terminal all the way to the wiper motor outside of the harness. It worked for about 20 minutes then failed. Finally they put in a resettable fuse and it worked for an hour and now it's just continuously clicking however the fuse hasn't blown so I can't reset it.
     
    dphillips, Sep 19, 2017
    dphillips, Sep 19, 2017
    #1
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  3. Sep 19, 2017 #2
    buddyd157

    buddyd157 Road Train Member

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    May 25, 2017
    under a shade tree
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    i am wondering if the ground is back feeding into it?

    try a new ground wire from the wiper motor (preferably one of the bolt holes, to ground. maybe go to a good known ground source under the hood.

    you may have lost the grounding strap from the cowl to the body. try locating maybe a hanging wire//cable around the firewall area.
     
    buddyd157, Sep 19, 2017
    buddyd157, Sep 19, 2017
    #2
    dphillips Thanks this.
  4. Sep 19, 2017 #3
    nasriza

    nasriza Road Train Member

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    try to see if wiper mechanism is getting stuck most likely the case and motor is drawing way to much power. either that or check in the steering column sometimes wire rub on the the aluminum
     
    nasriza, Sep 19, 2017
    nasriza, Sep 19, 2017
    #3
  5. Sep 19, 2017 #4
    dphillips

    dphillips Light Load Member

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    May 14, 2013
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    Yeah he checked the transmission to see if it was getting stuck but it looked fine. Also the harness going into the wiper motor and it had power going into it even though it was in the off position
     
    dphillips, Sep 19, 2017
    dphillips, Sep 19, 2017
    #4
  7. Sep 19, 2017 #5
    Cybercat

    Cybercat Medium Load Member

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    Oct 17, 2014
    East Tn
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    Have you asked Volvo about this? There a section for truck makers further down in main forum. Call a Volvo shop about it.
     
    Cybercat, Sep 19, 2017
    Cybercat, Sep 19, 2017
    #5
    dphillips Thanks this.
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