Thread: 6L80 transmission rebuild, relearn, & TCC wiring
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Old 03-05-2018, 04:17 PM   #9
vannatta20
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Join Date: Oct 2011
Location: Las Vegas, NV
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Re: 6L80 transmission rebuild, relearn, & TCC wiring
X1 pin 57 is the brake wire you need. It gets 12 volts with brake applied.
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