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**crossy** · 07-10-2002, 12:10 AM

UHHHHH expert . I,m still learning after 15+ years of 73-87"s and 5 years of these blasted tach dashes ,but here goes. put the VOLT gauge & correct PC in and you'll only be half way there. The mech oil pressure dashes are wired(PC -wise) totally different from elect oil pressure gauge ones . I just helped a guy do this and it took me many hours to figure out the wiring. If you find a tach dash with elect. oil pressure and volt gauge it will plug right in then you wire the tach seperately . I did keep a draft of the wiring info I sent him. sorry no EASY fix on this one. DAVE.

07-10-2002, 12:10 AM	#2
crossy Oh,you can't buy that new Join Date: Apr 2000 Location: Pennsville,N.J. 08070, USA Posts: 2,042	tach dahes UHHHHH expert . I,m still learning after 15+ years of 73-87"s and 5 years of these blasted tach dashes ,but here goes. put the VOLT gauge & correct PC in and you'll only be half way there. The mech oil pressure dashes are wired(PC -wise) totally different from elect oil pressure gauge ones . I just helped a guy do this and it took me many hours to figure out the wiring. If you find a tach dash with elect. oil pressure and volt gauge it will plug right in then you wire the tach seperately . I did keep a draft of the wiring info I sent him. sorry no EASY fix on this one. DAVE. __________________ "been there, done that, ruined the T-shirt". 2007 LBZ GMC Sierra, ECSB 2006 LM7 RCSB Silverado 98 Vortec project. 94,3500,6.5L 4L80 81 SWB GMC POS finally gone 73 Pinto, stock, w/CragarSS's-eww 84,C10 SWB-Yella,stock 86 K10 SWB-Red, hopped up 305,4/S LOTS of Cummins trucks.