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914World.com _ 914World Garage _ Compufire/Pertronix hookup howto??

Posted by: Brando Nov 14 2004, 11:26 PM

Rummaging through the shop I came across a working compufire/pertronix electronic ignition (couldn't tell the label on it was worn a bit). So i've got a red wire, and a black wire. Where do they go? I've heard some stories from a few here trying to hook them up and shorting them out...
All help apprecieated

Posted by: Demick Nov 14 2004, 11:36 PM

red to the + on the coil. black to the - on the coil. Double check the connections. If you get them backward it will fry.

Demick

Posted by: Brando Nov 14 2004, 11:39 PM

How do I know which sides are + and -, if they are not stamped/labeled on there? My coil lacks markings.

Posted by: SLITS Nov 15 2004, 12:12 AM

If it's a Bosch Coil, it is marked + or 15 and - or 4 as I remember on the terminals.

Posted by: Demick Nov 15 2004, 09:45 AM

If there are no markings, then get a voltmeter, and figure out which side of the coil is getting +12V when the ignition is turned on (engine not necessarily running - just turn the key to the run position). Whichever side of the coil gets +12V is the + side of the coil. The other side is the - side. Mark it for future reference.

Or, if you still have the original points hooked up, it will only have 1 wire coming from it and it will be hooked to the - side of the coil.

Demick