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ATTN: Gerahead or anyone that added 71-73 gauges

510 4
I saw you replied to my post about tachs, but thought I would repost since my previous one was already pretty well-buried. Rich says to tap into a red/green wire at the fuse block, and a red/green wire at the steering column. The wire at the steering column is the resistance wire, what is the one at the fuse block? I assumed it was just a 12V switched source, am I wrong? When he says "tap" does he mean to cut the wire completely, or leave the wire intact, just hooking the new tach line to it? Thanks alot, I appricate the help!


'72 Mach 1 || '90 Talon TSi AWD
"Thats not a leak, my car's marking its territory!"
"If you've done it, it ain't braggin'." -Roy Rogers