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  1. Seth_O

    Alternator not turning on?

    I searched through my messages history and couldnt find anything. The vendor was on this forum, thats how I found him.
  2. Seth_O

    Alternator not turning on?

    I did, sorry I thought I got back in here and updated the thread: This was an aftermarket wiring kit I purchased some time ago. The wires are very high quality, as are the connectors and heat shrink. I had no reason to suspect it, and only found the issue when I started testing power flow...
  3. Seth_O

    Alternator not turning on?

    Well dangit, Im definitely not getting that. With the engine running Im only getting .08v on that 7.5A fuse. Unless I unplug my alt, then it jumps to batt voltage. Thanks for taking that extra step. FYI - off the truck my alt tested good. It was only at one box store and I know thats not...
  4. Seth_O

    Alternator not turning on?

    Thank you so much!
  5. Seth_O

    Alternator not turning on?

    Can I get someone to do me a small favor? I dont have a baseline to test against, can someone go out to their 80 and with the key in the "On" position (engine not running) measure the voltage in the 7.5A CHARGE fuse in the engine bay? And then repeat with the A connector removed from the alt...
  6. Seth_O

    Alternator not turning on?

    Ok, help me out with this as I want the cleanest/safest setup possible: Currently I have a 0awg wire from B+ on the alt through a 175A fuse (sorry, I was going from memory early when I stated 200A) to the + end of the battery. Separately I have another 0awg wire going to the starter and 3...
  7. Seth_O

    Alternator not turning on?

    Im at a bit of a loss, and need help from folks smarter than me. When I first fired it up today, it ran for a good 10mins just fine, I was getting 14v at the battery. I turned the truck off and then restarted it, and from then on the alt wasnt providing any charge. Multiple restarts after that...
  8. Seth_O

    Alternator not turning on?

    I did upgrade my b+ line many years ago and installed a Blue Sea 200A fuse. The fusible links (Main & AM1) are factory links with a couple of years on them. I also should have mentioned I upgraded all my charging and ground wires a few years ago and switched to marine/military battery...
  9. Seth_O

    Alternator not turning on?

    I think at that point I had been running the engine on the battery alone, so it was severely depleted, its also possible I measured from a corroded location on the battery terminal and it wasn't a clean measurement. Looking at the wiring diagram it looks like there is a 12v wire from the...
  10. Seth_O

    Alternator not turning on?

    Yes on the LED's. I have had them for many years. I did switch the plug, I wouldn't expect that to suddenly go bad though. While getting the dash lights I had ~9v at the battery, engine running or off, same thing.
  11. Seth_O

    Alternator not turning on?

    1993 FZJ80, photoman sequoia alternator done in 2015 with take-off OEM alt from an '02. Last week I got the christmas tree lights. I figured on a 20yo alt that was to be expected. Sure enough no charge coming from it. I replaced it with a box-store alt with lifetime warranty. Fired the truck...
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