The "R" terminal provides a 12V bypass of the "ballast" resistor to the coil
"+" terminal while the solenoid is engaged (key in the start position) to
provide a hotter spark while cranking. HEI ignitions do not use this circuit.
They are provided 12V anytime the key is on. You don't need this wire.
-----Original Message-----
From: Gordon V. Wilhelm [mailto:gvwilhelm@shaw.ca]
Sent: Saturday, June 01, 2002 12:09 AM
To: oletrucks@autox.team.net
Subject: [oletrucks] Wiring questions
Hi all,
I am looking for help from the electrical wizards on the list before I finish
hooking up the Painless 12 circuit fuse box on my 1951 GMC.
1. One of the steps (in the rather brief instruction sheet) asks me to
attach a wire from the "COIL/DIST" terminal on the fuse box to the ignition
coil. I am using a Chev 305 with the HEI distributor. There are three wires
coming out of the distributor. Am I correct in assuming that I hook up to the
pink wire? If this is correct, what are the brown and black wires for??
2. The starter solenoid has three terminals. The large middle terminal
goes to the positive battery post and I know that the "S" terminal goes to the
ignition switch but what is the "R" terminal for??
The rest of the wiring is going well and with some luck I think that I will be
able to fire up the beast tomorrow!!
Thanks in advance for your help.
Gordon Wilhelm
1951 5 window GMC 1/2 ton
oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
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