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10-19-2010, 04:01 PM
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#401
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Join Date: Aug 2008
Location: Sewell,NJ Washington Township
Posts: 2,416
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Finish it, I want to see this!
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1995 Pontiac Firebird - V6 few mods
1988 Mustang - supercharged, heads/cam etc...
2012 Mustang - 5.0 6spd / 437rwhp 420trq
Quote:
Originally Posted by LTs1ow
Verts are gay and stalkers ride in them.
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10-19-2010, 08:30 PM
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#402
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Join Date: Jul 2004
Location: West Long Branch
Posts: 13,598
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Welp we put my PCM into Kirks car and it ran better then his current tune. We swapped coil packs and still nothing. Im out of guesses. Its got to be the harness.
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2/20/2013: They Day the ****s Stopped
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10-19-2010, 08:33 PM
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#403
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Join Date: Dec 2004
Location: manchester, NJ
Posts: 1,775
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sorry pal i dont feel like reading through all the posts... whats your exact spark problem.. your getting fuel pulse but just no spark? no spark at every cyl.. might sound dumb but im not sure how the harness was made have you double checked for and loose grounds..?
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97 Firebird Formula - 383LT1
15 Subaru WRX - 2.0L-turbo
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10-19-2010, 08:42 PM
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#404
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Join Date: Jul 2004
Location: West Long Branch
Posts: 13,598
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Grounds checked
There are 3 grounds. Harness grounds to the back of the pass head. Then there is the 4ga wire that grounds the block on the pass side to the frame.
Then there is the stock LS1 copper strap that is grounded to the K member on the driver side.
All three were checked with a test light.
We are getting power TO the coils. That was checked.
Injectors are firing, you can smell the fuel in the exhaust and on the plugs.
Fuel pressure is 50psi+
Adam and Matt brought up that the ECM might need to be grounded? But I dont see that in the instructions or ever heard of the ECM needing to be grounded. But then nothing would work if it indeed needed to be grounded.
Im lost.
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2/20/2013: They Day the ****s Stopped
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10-19-2010, 08:52 PM
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#405
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Join Date: Dec 2004
Location: manchester, NJ
Posts: 1,775
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your getting power to the coils.. just no spark?did you test for spark direct off the coil?
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97 Firebird Formula - 383LT1
15 Subaru WRX - 2.0L-turbo
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10-19-2010, 08:54 PM
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#406
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Join Date: Jul 2004
Location: West Long Branch
Posts: 13,598
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correct. We put Kirk's coil pack on my car, plugged it in, and checked for spark...nothing.
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2/20/2013: They Day the ****s Stopped
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10-19-2010, 08:56 PM
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#407
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Join Date: Dec 2004
Location: manchester, NJ
Posts: 1,775
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what tells the PCM to trigger the spark on ls1's... crank sensor?
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97 Firebird Formula - 383LT1
15 Subaru WRX - 2.0L-turbo
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10-19-2010, 08:56 PM
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#408
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Stalker
Join Date: Aug 2004
Posts: 12,083
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if i was around NJ, id bring my voltmeter by and diagnose it for you... :-/
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10-19-2010, 09:14 PM
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#409
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Join Date: Jul 2004
Location: West Long Branch
Posts: 13,598
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2/20/2013: They Day the ****s Stopped
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10-19-2010, 09:18 PM
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#410
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Join Date: Jul 2004
Location: West Long Branch
Posts: 13,598
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Quote:
Originally Posted by transmaro93
what tells the PCM to trigger the spark on ls1's... crank sensor?
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Yes, and I replaced that last night.
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2/20/2013: They Day the ****s Stopped
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10-19-2010, 09:35 PM
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#411
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13 Second Club / Moderator
Join Date: Jan 2005
Location: Franklin Lakes, NJ
Posts: 8,695
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Al, just did some searching. Check this wire, the guy claims its a common error.
http://www.ls1tech.com/forums/conver...can-think.html
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Quote:
Originally Posted by LS1ow
Except Jersey mike, great kid, but the way he looks at me makes me feel like im in danger
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10-19-2010, 09:46 PM
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#412
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Join Date: Jul 2004
Location: West Long Branch
Posts: 13,598
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Very plausable. Thats the second thread Ive seen with that very same problem.
The harnes only came with 2 power wires, 1 pink for 12v switched, and 1 orange for contsant 12v.
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2/20/2013: They Day the ****s Stopped
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10-19-2010, 10:04 PM
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#413
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Ebearnezer Scrooge/Power Member/Lips
Join Date: May 2006
Location: Hamilton, Mercer county
Posts: 4,141
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Quote:
Originally Posted by BigAls87Z28
The harnes only came with 2 power wires, 1 pink for 12v switched, and 1 orange for contsant 12v.
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What did you connect them to?
I actually had a similar problem with my 73 Camaro when I got it. The wire the distributor was connected to was not hot during crank, may not the same but similar
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10-19-2010, 10:21 PM
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#414
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13 Second Club / Moderator
Join Date: Jan 2005
Location: Franklin Lakes, NJ
Posts: 8,695
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also found this, page 11 discusses the harness wire stuff. Just throwing whatever I find at you in hopes one of them has the answer
http://www.blackfbody.com/media/LS1_Engine_Kit.pdf
also, i read that the racks that the coil packs bolt on to are side specific. if they were off, then try swapping them to the other side. i think its a white harness
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Quote:
Originally Posted by LS1ow
Except Jersey mike, great kid, but the way he looks at me makes me feel like im in danger
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Last edited by qwikz28; 10-19-2010 at 10:24 PM.
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10-19-2010, 11:16 PM
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#415
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10 Second Club
Join Date: Feb 2008
Location: Eatontown
Posts: 1,647
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the racks and harness are not side specific. I had mine totally disassembled then mixed together
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1999 C5 FRC: 12.7@114
2008 TBSS: 12.48@108
2017 Silverado 2500 do you even lift breh?
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10-19-2010, 11:19 PM
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#416
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Join Date: Jul 2004
Location: West Long Branch
Posts: 13,598
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Quote:
Originally Posted by PolarBear
What did you connect them to?
I actually had a similar problem with my 73 Camaro when I got it. The wire the distributor was connected to was not hot during crank, may not the same but similar
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We spliced them into wires under the dash. Adam and I checked to make sure that they wer 12v switched and 12v hot. I guess we will have to go over that again.
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2/20/2013: They Day the ****s Stopped
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10-20-2010, 02:55 PM
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#417
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Join Date: Aug 2004
Location: North Jersey
Posts: 3,047
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Yeah Al, check that out - the pink and purple wires off the ignition switch are hot at different times. I know when we swapped the TPI into my car I had to make sure that certain wires were hot in Bulb Check, Run, and Crank, and some had to be hot only in Run. Good luck getting her fired up!
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Seeya,
Steve R. in North Jersey
'16 Go-Mango Dodge Charger R/T. It's so good to be back in a V8-powered, RWD car!
Former Toy - '88 Monte SS - had lots of mods...
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10-20-2010, 09:56 PM
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#418
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Join Date: Jul 2004
Location: West Long Branch
Posts: 13,598
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Well boys and girls the car starts. But because a certain safety risks i will not be making it to the nats
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2/20/2013: They Day the ****s Stopped
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10-20-2010, 10:04 PM
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#419
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Join Date: Jun 2007
Location: Arm pit of the world... NJ
Posts: 2,677
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Quote:
Originally Posted by BigAls87Z28
Well boys and girls the car starts. But because a certain safety risks i will not be making it to the nats
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What was wrong?
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John
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10-20-2010, 11:02 PM
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#420
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Join Date: Jul 2004
Location: West Long Branch
Posts: 13,598
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Nah, just posted that while driving.
The coils were hooked up to 12v switched, but not to 12v crank. Well, we fixed that and it fired up.
http://www.youtube.com/watch?v=5XP_Und-dD4
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2/20/2013: They Day the ****s Stopped
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10-21-2010, 05:43 AM
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#421
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Lord of the rings / 10 Second Club / Meet Coordinator
Join Date: Aug 2004
Location: Millstone Township, NJ
Posts: 6,389
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Happy the problem was solved before you threw more $ at it. Sucks you won't make it to the Nats but better you not rush the final things on the Camaro.
Just remembered, what is your rear end gear ratio? We were too wrapped up in the engine starting issue for me to change it in HPTuners. Regardless, a final flash should be done to make sure everything is where it should be.
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97 T/A Ram Air Convt
Forever dyno queen / 777rwhp 662 rwtq @ 17lbs / 10.2 @ 140
'24 Corvette Z06
'17 Sierra 2500HD Dmax
'17 Lex LS460
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10-21-2010, 05:48 AM
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#422
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Join Date: Dec 2005
Location: Mays Landing, NJ
Posts: 7,108
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Glad to hear it's up and running so to speak. 
__________________
2018 Camaro 2SS Redline package, ESC Novi 1500 tuned by EFX, Might Mouse wild catch can, GM STB, smoked ZL1 3rd brake light, Xpel XR Black 35% tint all around, Street Scene front splitter, C7 Carbon ZL1 side skirts, Drake Muscle Car Wickerbill spoiler
2010 Infiniti G37x-Moonlight White w/Graphite interior. Stock...for now. Xpel XR Black tint(hey it's a mod lol)
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10-21-2010, 07:23 AM
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#423
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Join Date: Jul 2004
Location: West Long Branch
Posts: 13,598
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It actually could drive right now but we are missing afew things. I guess we will see how she does next season.
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2/20/2013: They Day the ****s Stopped
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10-21-2010, 07:28 AM
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#424
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Join Date: Dec 2005
Location: Mays Landing, NJ
Posts: 7,108
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Nice. Good job on not rushing it though, no real reason to. How's it running/idling?
__________________
2018 Camaro 2SS Redline package, ESC Novi 1500 tuned by EFX, Might Mouse wild catch can, GM STB, smoked ZL1 3rd brake light, Xpel XR Black 35% tint all around, Street Scene front splitter, C7 Carbon ZL1 side skirts, Drake Muscle Car Wickerbill spoiler
2010 Infiniti G37x-Moonlight White w/Graphite interior. Stock...for now. Xpel XR Black tint(hey it's a mod lol)
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10-21-2010, 07:55 AM
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#425
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Meet Coordinator
Join Date: Jan 2008
Location: brick/pt. pleasant beach
Posts: 19,370
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it idles pretty dirty
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