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1998 Jeep TJ Jeep turns over, has no spark, fuel pump not w

Tiny
RANDJEN1
  • MEMBER
  • 1998 JEEP WRANGLER TJ
  • 4 CYL
  • 4WD
  • MANUAL
  • 104,000 MILES
An accessory light was left on and the battery went dead. Car ran fine before this but now there is no spark, no fuel, but turns over fine. I have replaced the cap, rotor, plugs, fuel pump and crankshaft position sensor. Also I have swapped the ASD relay with a known working relay. Still no luck. Has anyone had this happen? What should I check next?
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Sunday, February 14th, 2010 AT 4:42 PM

5 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Hi randjen1, Welcome to 2carpros and TY for the donation

I want you to check fuse no.20 in the power distribution center if okay -remove the fuse and get a jumper wire from the battery positive post to the coil dark green and orange wire this will power both the injectors and coil and let me know what happened.


https://www.2carpros.com/forum/automotive_pictures/12900_asd_relay_8.jpg

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Sunday, February 14th, 2010 AT 5:17 PM
Tiny
RANDJEN1
  • MEMBER
  • 3 POSTS
I ran the hot wire to the orange and green off the coil but nothing happened. What next?
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Tuesday, February 16th, 2010 AT 8:37 AM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
I don't have a reference on this Jeep TJ non listed -what I was using is for Cherokee SE-okay do you have power to the coil when you turn the key On and also do you hear the fuel pump come On?
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Tuesday, February 16th, 2010 AT 1:05 PM
Tiny
RANDJEN1
  • MEMBER
  • 3 POSTS
No power to coil and fuel pump not coming on
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Tuesday, February 16th, 2010 AT 7:48 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
I ran the hot wire to the orange and green off the coil but nothing happened. What next? -When you did this and crank engine over do you have spark coming out of the plug wires if not I recommend you have the computer checked out
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Tuesday, February 16th, 2010 AT 11:36 PM

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