I just purchased a 93 jeep cherokee. The car will Crank, but won't start. I just replaced the coil, still no fire. The alternator was replaced previuosly, Fuel pump is working. What else could be wrong?
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So you have B+ to coil but no B+ from coil to distributor. Sounds like the ignition module.
Its not triggering coil to fire . Double check it with a test light at negative side of coil and then to ground.crank the vehicle if light flickers its ok if not its your culprit.
Should light flicker then test its the wires from coil to distributor, distributor , rotor and plug wires.
Honestly if the light flickers your not losing anything by replaceing the items from the coil tower to the plugs.
Could be a crank or cam sensor gone bad. I suggest you get a haynes or chilton manual and do the testing outlined in them to determine which it is. Neither item is very inexpensive and the crank sensor is a real pain to replace. There are other things that can do that so testing is important. Crank sensor is the most common failure but asd relay, wiring problems, bad ground on a relay etc can do much the same thing. Anything you find that you need further help with I'll be happy to answer if I can! Good Luck!
You need to check and see if the plugs are getting voltage/spark. If they are not then check and see that the coil is getting voltage. It sounds like you possibly have a bad coil. Something is causing your plugs to not fire.