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19SIKtySix · 03-06-2019, 07:34 PM

The TCC wire gets connected to the brake switch. My original brake switch in my 66 had 2 prongs, but I purchased a PSI brake switch which has 4 prongs.

Somebody may be able to chime in about using an original still though.

03-06-2019, 07:34 PM	#2
19SIKtySix Registered User Join Date: Oct 2012 Location: Fresno, CA Posts: 119	Re: harness rewire help The TCC wire gets connected to the brake switch. My original brake switch in my 66 had 2 prongs, but I purchased a PSI brake switch which has 4 prongs. Somebody may be able to chime in about using an original still though. __________________ Chuck Instagram: c_lo_garage Check out my 1966 C10 project "El Viejito" here: http://67-72chevytrucks.com/vboard/s...d.php?t=674614