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  1. MPA

    Help please! Voltage Dropping Issue

    Sorry for the super delayed responses. I've had to wait until each weekend to really get anything done. Over the weekend I pulled out meters of home done wiring from a previous owner. I might know much about cars but I do know electricals and it was a goddamn mess. I bound up all and any...
  2. MPA

    Help please! Voltage Dropping Issue

    I'm going to try and trace all the wiring from the blower circuit tomorrow. As far as I currently know nothing should be wired from it but I'm the last in a line of owners so who knows. As far as I have experienced everything else works perfectly while the relay is out and the dash and battery...
  3. MPA

    Help please! Voltage Dropping Issue

    It's a pretty tight fit so I don't think it's a loose connection. I removed the relay for the blower and I was able to drive 30mins on the Highway and then later home again with no issues whatsoever. So I think that narrows it down a lot right? Return drive I had headlights and highbeam going...
  4. MPA

    Help please! Voltage Dropping Issue

    Didn't get far today as I'd like but here is what I have to report. Multi-meter on the battery terminals when not running returns ~12.5V. This matches the battery test that supercheap auto did when they sold me the battery, I went and found the paperwork and double checked. Car running idling...
  5. MPA

    Help please! Voltage Dropping Issue

    Thanks so much everyone. I am kinda pumped to go crazy with my multi-meter tomorrow. I'll test things before and after I adjust any cables/connections and hopefully will be reporting good news or data that's helpful for diagnosis. I'm glad I was recommended to these forums.
  6. MPA

    Help please! Voltage Dropping Issue

    Hi! Sorry for the delayed reply. I think it will be Saturday before I get a real chance to tinker and test but I will try to answer what I can now. The Alternator was ordered online from a wrecking yard. They seemed reputable, said it had been tested before sending it. I have a returns and...
  7. MPA

    Help please! Voltage Dropping Issue

    Hi Everyone, Bit desperate here, first time posting. This will be a bit of a long post just so I can get as much information out there to help diagnose the issue. Car: HOLDEN COMMODORE VX (S2?) 2002 4 Door Sedan 3.8 litre, LN3 (L36) V6 So my issue is my voltage starts off at 13.5V (Dash...
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