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'72 Suburban - 2005 L59 5.3/4L60 swap
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12-11-2013, 04:15 AM
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72c10suburban
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Join Date: Jul 2013
Location: Calhoun Ga
Posts: 87
Re: '72 Suburban - 2005 L59 5.3/4L60 swap
I've made a little progress. Still waiting on some engine parts to come in, so I started on the harness. It wasn't too bad so far. The harness is stripped so now i have to round up a fuse box and relays and get them wired in and recover the harness. I used the pinouts from LT1swap.com, but had issues when it came to the C2 underhood, as the pinout on the site is from a 99 i believe and mine is a 05. I ended up checking continuity on all of the pink wires to find out where they went in the C2 plug.
The offending harness finally removed. I had trouble getting two of the tranny plugs undone. Once i got them out, it looks like they had been glued in at some point.
Starting on the PCM plugs
The C2 plug.
This is what all i removed.
And this is whats left.
I started a little tear down to replace some of the seals and clean it up.
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5.3/4L60 swap thread
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