Quote:
Originally Posted by swyfor5
Very interesting topic, as I am looking at upgrading on next rebuild. Currently running the point dist, and time for a change! What wiring changes have to be made?
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Well, what I do when converting an old car to electronic is pull the main bulk head from the firewall.
GM used a resistance wire that ran from this bulkhead to the positive side of the coil. I have a stockpile of those factory connections used in that bulkhead.
I simply remove that resistance wire from the bulkhead, and use another factory connector with a 10-12 gauge wire. And simply re-route that through the harness up to the positive side of the coil.
Sometimes, depending on the car, I'll keep that resistance wire in the harness as well (connected to the bulkhead but hidden inside the harness) just in case I decide to switch back to points for any reason.
Keeps everything neat and factory appearing.
You don't have to worry about the other side of the bulkhead that runs to the fuse box and ignition switch. GM used all standard wire on that side. The resistance wire was only installed from the bulkhead to the coil.
Keep in mind this is GM only. Other brands such as Chrysler used a simple resistor mounted on the firewall.