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rssteiny

05-27-2009 07:31 AM

grounding purple wire to set timing

on my 500 hp carb motors with msd boxes do i need to ground the purple wire with the plastic cap on it to set timing, did not do that a few years ago when i set it up and seemed to be fine.

Nordicflame

05-27-2009 08:08 AM

TB-IV or TB-V?
No on the IV, yes on the V

rssteiny

05-27-2009 10:49 AM

Quote:

Originally Posted by Nordicflame (Post 2873797)

TB-IV or TB-V?
No on the IV, yes on the V

2000 gen 6 how do i tell what tb it is.

Nordicflame

05-27-2009 10:57 AM

I think in 2000 the 500EFI was being used but the 1998 and earlier HP500 came with either the IV or V depending on the year. The IV has a triangular module and the V actually has two modules piggy backed.

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