Monday, November 22, 2010

I'm replacing an old point type distributor with an HEI Dist.on a 69 Chevy C/10 Truck. How do i wire it in

I need wiring instructions for the new High Energy Ignition distributor. I am installing it into a 1969 Chevy C/10 pickup truck with a 350 Eng. Is there anything i should know about the wiring and my spark plug gap was .035 will i be changing the gap to .040 or .060 and do I need to run my 12 volt power wire through a ballast resistor before I connect it to the distributorI'm replacing an old point type distributor with an HEI Dist.on a 69 Chevy C/10 Truck. How do i wire it in
SIMPLEST option-------%26gt;

use a test light and locate a fuse in the fuse block that is ';Hot'; only when the key is in the ';Run'; and ';Start'; positions. It should not be ';Hot'; in the ';Acc'; position. There used to be two connectors on the old fuse blocks that would work this way.

Run a # 12 wire from the terminal (';Hot'; side of the fuse, not the fused side) to the ';+'; terminal of the HEI dist.

This distributor requires full battery and charging voltage. Use NO resistor.

When the HEI first came out in the early '70s, the plug gap was recommended from .045'; all the way to .80';, and there were fouling issues. G.M. came out with a TSB to run the plugs at .035';, and ultimately recommended .045'; for most applications.



Good LuckI'm replacing an old point type distributor with an HEI Dist.on a 69 Chevy C/10 Truck. How do i wire it in
try 45 on the gap and see how it works and no don't use a resistor thats only for points.
If you had an external module cut the power wire for it (It should be the biggest one) and use that to power the dizzy. If you have a tach use the NEG wire from your coil and connect it to the TACH terminal of the HEI.



Other wise any 12V when the key to ON wire will do.
there should be red and yellow-or red and brown wires goin to your points style seperate coil-on the hei cap it should be marked with 2-3 wire inputs plus your plug that goes from your cap to your distributer-really all you need is the red power wire to go where it says 12v+-dont plug anything into the place marked tach-thats for a tachometer-not another power source-if it has a placed mark ground or 12v- thats where you hook the yellow or brown wire-but most are self grounded and just have a tach and 12v+ input-hope this helps ya-also just have autozone look up the gap on like a 85 chevy truck-these have hei and will give you the proper gap-i think when i changed mine it went up to 43 or 45 gap

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