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Old 02-05-2021, 10:57 PM   #26
johfraser
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Just some off the wall thoughts: How does the distribution block get its' power, like from the battery terminal or the alternator? Also, possibility there is a coating or contaminate on the outside of the diodes or maybe even on the alternator's battery terminal that is conductive?
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Old 02-06-2021, 11:12 AM   #27
AndrewNance
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Distribution block is powered straight off the battery. If anything I just want to get them both tested so I can return the reman and repair my original.
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Old 03-03-2021, 06:45 PM   #28
AndrewNance
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Had both alternators tested. Shop said they operate correctly and show no signs of faulty diodes. I swapped the known-working Denso off my 122 and get the same draining issue. Put it back on the 122 and get no drain on that car.

Disconnected all 12v wires at the ignition switch and still have a draw. Pulled the ground strap off just to be sure it was clean and tight and it is. Basically just been disconnecting switches and pulling bulbs to see if anything stops it. Haven’t found it yet.

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Old 03-03-2021, 07:42 PM   #29
ZVOLV
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Disconnect B+ wires 1 at a time from the distribution block. ( Does a 140 have one at the fender like a 240?)


Buy an inductive amp clamp and clamp it to the various branches of the B+ circuits
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Last edited by ZVOLV; 03-03-2021 at 09:11 PM..
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