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altl12.jpg | Hits: 1164 | Posted on: 9/15/12 | View original size (2.42 MB)

This is the steel prototype bracket fully installed & working, with the engine idling.

The 2 bolts for the original hose hook fit under the compressor pulley, but they have 15mm heads. So I dug through my bolt bucket & found a pair with 13mm heads to match the alternator bolts. The new alternator bolts came from the JY, so they're identical to the original alternator bolts (and the compressor bolts). The bolt in the back of the alternator (where the hose hook goes) originally had a 10mm head, but I found one with a 13mm head for that location, too. Since the output stud uses a 13mm nut, everything matches.

The voltage regulator pigtail (GM PT1235) must be spliced into the original alternator's Brown wire, and I highly recommend a pierce splice as shown in this image:



The worst way to splice it would be a ScotchLok, because it would compromise BOTH alternators.

The MagneFine filter on the fan shroud is for the PSF (hydroboost).