Converting to small cap HEI, on a '91 L98
Thread Starter
Instructor
Joined: Sep 2007
Posts: 127
Likes: 13
From: Apollo Beach. Fla
Converting to small cap HEI, on a '91 L98
I've searched the archives and found some good info, but I'm still confused. I bought the small cap pigtail from Napa, it has the same number of wires,and the same colors. Can I cut the large cap connector off my harness and splice in the new one color to color?
I also have the 2 wire (pink and white) connector that goes from the small cap dist to the remote coil. It would seem all I need to do is connect a +12v to the + on the other side of the coil.( I don't need the tach connection) Am I on the right track, or am I going to let the smoke out?
I also have the 2 wire (pink and white) connector that goes from the small cap dist to the remote coil. It would seem all I need to do is connect a +12v to the + on the other side of the coil.( I don't need the tach connection) Am I on the right track, or am I going to let the smoke out?
Safety Car
Joined: Jan 2004
Posts: 3,556
Likes: 13
Splice the new 4 connector to the old harness
So where would the coil Neg be connected to........? Use both wires
The stock GM small cap coil has 2 sets of connectors , 2 x Pos and 2 x Neg
if using a reg coil double the wires up on each terminal ie, Ign to coil Pos terminal , pink / wht to coil Pos terminal
and in your case , the white from dist to coil Neg
(The tacho signal is from the coil, not the dist; wire # 121 in diagram )
The stock GM small cap coil has 2 sets of connectors , 2 x Pos and 2 x Neg
if using a reg coil double the wires up on each terminal ie, Ign to coil Pos terminal , pink / wht to coil Pos terminal
and in your case , the white from dist to coil Neg
(The tacho signal is from the coil, not the dist; wire # 121 in diagram )
Last edited by vetteoz; Jan 30, 2013 at 07:46 PM.
Le Mans Master
Joined: May 2004
Posts: 5,866
Likes: 60
From: Hellinois
Finalist 2020 C4 of the Year - Modified
I just did this swap and I got a kit off ebay from seller tpiparts. It uses the Camaro/Firebird coil and is almost a complete plug & play with the exeption of a red wire that goes to the original power wire, and a white wire that goes to the tach wire. The kit isn't cheap but it sure made things a lot simpler.
Thread Starter
Instructor
Joined: Sep 2007
Posts: 127
Likes: 13
From: Apollo Beach. Fla
Splice the new 4 connector to the old harness
So where would the coil Neg be connected to........? Use both wires
The stock GM small cap coil has 2 sets of connectors , 2 x Pos and 2 x Neg
if using a reg coil double the wires up on each terminal ie, Ign to coil Pos terminal , pink / wht to coil Pos terminal
and in your case , the white from dist to coil Neg
(The tacho signal is from the coil, not the dist; wire # 121 in diagram )
So where would the coil Neg be connected to........? Use both wires
The stock GM small cap coil has 2 sets of connectors , 2 x Pos and 2 x Neg
if using a reg coil double the wires up on each terminal ie, Ign to coil Pos terminal , pink / wht to coil Pos terminal
and in your case , the white from dist to coil Neg
(The tacho signal is from the coil, not the dist; wire # 121 in diagram )
