Electrical 77 CJ5 258 Prestolite no spark
P@trick81
Jeeper
No spark on plugs. Need help figuring out what voltages should be on original ignition system. Measuring 12vdc from red wire on coil + to battery ground with ignition on, 10vdc while cranking. If I pull the green- and red+ off the coil and measure across them I get 4vdc with ignition on and 5vdc cranking. All wires ohm out good back to ignition module. I have a good wiring diagram but no voltage values to reference.
Coil measures 2 ohms across primary and 10Kohms across secondary. Removed Prestolite distributor and the pick-up coil reads .5 ohms so I assume the pickup coil in the distributor is good. Could be ignition pack but I would like to test it before replacing.
I’m an electronic tech with good 12vdc knowledge.
Coil measures 2 ohms across primary and 10Kohms across secondary. Removed Prestolite distributor and the pick-up coil reads .5 ohms so I assume the pickup coil in the distributor is good. Could be ignition pack but I would like to test it before replacing.
I’m an electronic tech with good 12vdc knowledge.