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Unread 04-30-2014, 11:59 PM   #1
Hero1
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1997 TJ Wrangler 
 
Join Date: Apr 2014
Location: Newbern, TN
Posts: 5
97 tj wont start

I have replaced all the obvious sensors, replaced the entire ignition side, still not getting spark through to the distributor, getting fuel checked that as well.....I get a 11.3 reading to the ignition coil then it bottoms out to a .5 and continues to stay at that .5 to .9 for the next couple cranks. I checked my PCM on another jeep and it fired and ran. cheacked all my other plugs and gettin the correct voltage to all my sensors except the coil. ran a resistance check on the A7 terminal in may harness to the coil plug got a 000 so the shouldnt be a break in the line, changed my relays looked for corrosion on the wires, have trolled forum after forum looking for answers and done everything that was said with no prevail, it will turn over just will not fire can someone help me out with this one........could the electrical side of the actual ignition cylinder be bad thanks for any help in advance

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Unread 05-02-2014, 12:25 PM   #2
CJ7-Tim
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Quote:
Originally Posted by Hero1 View Post
I have replaced all the obvious sensors..
Have a specific list ? Installed genuine Jeep sensors, or cheap crappy Chinese "Lifetime Warranty" sensors ?

Inspected the ignition cylinder/ignition switch/ignition switch actuator pin ?
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Unread 05-03-2014, 01:41 AM   #3
Hero1
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1997 TJ Wrangler 
 
Join Date: Apr 2014
Location: Newbern, TN
Posts: 5
BWD Distributor, plugs, wires, cap, button, ignition coil, crank position sensor,
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Unread 05-03-2014, 01:42 AM   #4
Hero1
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Location: Newbern, TN
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that was my next purchase is the ignition switch but my key isnt factory so I am assuming it was replaced before
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Unread 05-03-2014, 08:26 AM   #5
CJ7-Tim
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Cranking and not starting is most commonly a faulty Crankshaft Position Sensor on the transmission bell housing. I am not impressed with BWD sensors ( or any "Lifetime Warranty" sensors ) and recommend only genuine Jeep sensors. Test the CPS, even though it is "new".

Was the distributor installed in the correct orientation when at TDC ? Checked base timing with a timing light ? Checked all the fuses ? One of the mini-fuses in the PDC fuse box under the hood will cause cranking with no-start.

I suggest spending $7.95 at www.PacificCoastManuals.com for a genuine Jeep Factory Service Manual. You seem to have some skills and could benefit from the complete wire diagrams, the trouble shooting ladders, and the specific test results expected when testing circuits and sensors.
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Unread 05-03-2014, 03:05 PM   #6
Hero1
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1997 TJ Wrangler 
 
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Location: Newbern, TN
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Yea the jeep ran after the distributor replacement, all the fuses have been checked the relays under the hood have been cross checked with the horn being they are the same relays and I have just recently bought the manual that's where I knew to check the a7 pin connection for the ignition coil I will purchase a ignition and CPS from the jeep dealer in Union City and I will get back with you Thanks again
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Unread 05-29-2014, 10:35 PM   #7
Holm-z
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1998 TJ Wrangler 
 
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Any luck on this issue yet?
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