[70rs/ss]

I use a blade plug from Napa and replace the whole wire from the main firwall plug. Locate the wire to the points dist and that is a whitish wire with a fiberglass sheath. Trace it to the firewall plug, use a 3/8 or 5/16 socket to remove the bolt in the center of the plug. Pull the plug out and with a pair of needle nose pliers, squeeze the blade horizontally ( [----] ) the [ and ] are the best I could do to "look" like the pliers! Squeeze the blade towards the base of the plug looking down on all of the blades. The wire will pull out from the back of the plug, NAPA sells the exact blade type plugs, carry the old blade in with you and they'll be able to match it up. Use a new 10-12 guage wire and run it to the HEI, NAPA also sells the correct OE hei plug as well (you do not 100% need it, but it helps to keep the wire from unplugging as you drive!). the new blade slides in from the back and the spliced spade "clips" it into a locked position, put the firewall plug back into the firewall and reinstall the bolt, now you have a 12v switched power wire to the hei!! I'll let someone else help you o the brake MC/booster as my fingers are tired!!


Congrats and good luck, I learned my skills under the watchfull eye of my dad and brother over the years and from doing it myself, reading, listening and asking, the best way in my book, I know what I know because I have done it, and so do you now!!