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Large HEI cap to small dizzy wire harness conversion kit

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Old 09-22-2010, 04:56 PM
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Large HEI cap to small dizzy wire harness conversion kit

I got a question guyz. Does anyone have the conversion wiring kit that allows for a small dizzy to be used inplace of the large dizzy? My 86 IROC has the large 4 pin connector (one in the middle) but I want to convert to use a smaller dizzy. So here are the wires and connectors but I cant find a good source to see what exactly is used.....


Exactly what connectors are used to make my own?
Old 09-22-2010, 05:48 PM
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Re: Large HEI cap to small dizzy wire harness conversion kit

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Last edited by Drew; 11-13-2011 at 11:09 PM.
Old 09-22-2010, 05:54 PM
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Re: Large HEI cap to small dizzy wire harness conversion kit

3rd Gen member S10Wildside has all the connectors cheap on his site.
( not all shown , just ask )
http://www.eficonnection.com/eficonn..._pigtails.aspx

He also has the HEI to small cap conversion harness, just tell him what you are doing
http://www.eficonnection.com/eficonnection/default.aspx

Last edited by vetteoz; 09-22-2010 at 05:59 PM.
Old 09-22-2010, 10:18 PM
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Re: Large HEI cap to small dizzy wire harness conversion kit

Hey how's it going my friends. I want to build it myself. I figured that I can make one for a total of about $8 compared to around $50. But I'll check into those sites provided and weigh my options. Thanks guys.
Old 09-23-2010, 10:19 AM
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Re: Large HEI cap to small dizzy wire harness conversion kit

I just did the same thing, large cap to small cap. I bought the connectors from Summit:

PICO 5602PT & PICO 5615PT

I spliced the 4pin pigtail to the wires from the large 4pin from the factory harness (cut off the large 4pin connector), and wired the 2pin pigtail to a SUM-850500 external coil.

Last edited by calebzman; 09-23-2010 at 10:24 AM.
Old 09-23-2010, 11:01 PM
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Re: Large HEI cap to small dizzy wire harness conversion kit

Okay guyz. i checked out the sites and I must say thanks. I really appreciate the help. Now I know what to look for. Agian thanks. But before I go and buy a small cap and remote coil, Would I benefit more from the small cap/remote coil,,, or the 4052 - Hypertech Power Coil large cap and coil?
Old 09-24-2010, 02:16 AM
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Re: Large HEI cap to small dizzy wire harness conversion kit

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Old 09-24-2010, 11:35 AM
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Re: Large HEI cap to small dizzy wire harness conversion kit

What about that hypertech cap and coil? Will I benifit from it if I stay with the large cap?
Old 09-24-2010, 08:18 PM
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Re: Large HEI cap to small dizzy wire harness conversion kit

Originally Posted by Chevy86 IROC-Z
What about that hypertech cap and coil? Will I benifit from it if I stay with the large cap?
One of the claimed benefits of a HEI is terminal spacing is further apart; less chance of spark jumping to wrong terminal
Old 09-24-2010, 08:26 PM
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Re: Large HEI cap to small dizzy wire harness conversion kit

Go to your local parts store and pick up the other side of that connector. Those weatherpacks are only a couple bucks, you have to buy the pins and green insulators too.

The benefit is that you don't splice wires, it's a nice clean install.
Old 09-24-2010, 09:17 PM
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Re: Large HEI cap to small dizzy wire harness conversion kit

Ahhh. Then ill just stick with my large cap then. Looks like I'm gonna biy the hypertech cap and coil. Thanks advice and help guyz.
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