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04-17-2017, 04:42 PM
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#1
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Name: Kronic_187
Title: Mekanical injection junky
Status: Not Here
Join Date: Sep 2009
Location: British Columbia, Canada
Member`s Gallery
Posts: 1,341
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No tach, Alternater or grid heater..... Suddenly
1996 2500 EC LB
4x4 5spd, used to be Auto
Fired truck up, drove about 3miles tach and alternater died.
Figured it was just crank sensor, truck was driven the rest of the way home then parked. This was end of oct.
Flashed truck up this week, swapped crank sensor off my 95 2wd cummins. No luck.
Upon further inspection noticed "wait to start" light isnt lighting up anymore.
Any clue what this could be? Like i said its not the crank sensor.
Any info on how to diagnose ECM problems?
__________________
96:CCLB/4x4:NV5600/3250DD, 178/208, 7mmDV's, 5x.016, 155*, 2095, 4GSK, H11, 61.5/68/.9-88/96/1.32, Hammy VS/Manton PR, Dual 3.5" Pusher, 1/2"Feed-3/8Return,6" longarm, Junkyard Freespin Kit
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04-17-2017, 06:00 PM
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#2
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Name: Kronic_187
Title: Mekanical injection junky
Status: Not Here
Join Date: Sep 2009
Location: British Columbia, Canada
Member`s Gallery
Posts: 1,341
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Check engine light isnt lighting up when key is turned either
__________________
96:CCLB/4x4:NV5600/3250DD, 178/208, 7mmDV's, 5x.016, 155*, 2095, 4GSK, H11, 61.5/68/.9-88/96/1.32, Hammy VS/Manton PR, Dual 3.5" Pusher, 1/2"Feed-3/8Return,6" longarm, Junkyard Freespin Kit
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04-17-2017, 06:11 PM
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#3
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Name: BigPapa
Title: Truckless
Status: Not Here
Join Date: Jan 2008
Location: Springfield, TN
Member`s Gallery
Posts: 5,008
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It may be the PCM. It's on the passenger side fire wall. The 12V's don't have an ECM. Check all wiring and connectors for the ESS and the PCM. There are also a couple of fuses that could be blown under the hood and in the end of the dash.
__________________
Scott
2003 Avalanche Z71
Common sense is like deodorant. The people that need it most never use it.
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04-17-2017, 08:09 PM
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#4
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Name: smknram
Title: "ADICTED"
Status: Not Here
Join Date: Sep 2007
Member`s Gallery
Posts: 187
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Those are the exact symptoms mine had when the PCM went out.
__________________
2003 Crew Cab LB7
2012 Mega Cab 6.7
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04-18-2017, 12:41 AM
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#5
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Name: Kronic_187
Title: Mekanical injection junky
Status: Not Here
Join Date: Sep 2009
Location: British Columbia, Canada
Member`s Gallery
Posts: 1,341
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Its not a fuse, check'm all. Next up when i get back from UCC is scrub all grounds and let pcm sit without power for a day or two n see what happens. I got another pcm off a 96 gasser, would that work for tach, speedo and alternater? Putting grids on a switch is easy enough
__________________
96:CCLB/4x4:NV5600/3250DD, 178/208, 7mmDV's, 5x.016, 155*, 2095, 4GSK, H11, 61.5/68/.9-88/96/1.32, Hammy VS/Manton PR, Dual 3.5" Pusher, 1/2"Feed-3/8Return,6" longarm, Junkyard Freespin Kit
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04-18-2017, 07:29 AM
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#6
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Name: BRE
Title: Too Much Time
Status: Not Here
Join Date: May 2010
Location: Southwest MO
Member`s Gallery
Posts: 12,705
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Does the speedo work?
__________________
Rick
07 Dodge 3500 - Tow mirrors, silencer ring MIA, Spectra air filter.
Quote:
Originally Posted by jfaulkner
There really is nothing better than OEM. That goes for anything from turbos to boobs.
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RIP Dex KCCO
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04-18-2017, 10:33 AM
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#7
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Name: jedeka
Title: Too Much Time
Status: Not Here
Join Date: Oct 2009
Location: Boone, Iowa
Member`s Gallery
Posts: 1,413
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I know you said it isn't a fuse, but did you check the 120 amp fuse under the hood?
__________________
1996 Dodge Ram 2500 4x4, 5 spd. 4.88 gears, 2.5" turbo, Smokem inj, 5000 rpm springs, NV271, South Bend dd clutch, 33x12.50-15 STS tires, 6 inch stack, custom valve springs
2005 3500 4x4 dually, auto, KORE leveling coils, 19.5 wheels, Smarty Jr
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04-18-2017, 11:25 AM
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#8
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Name: Kronic_187
Title: Mekanical injection junky
Status: Not Here
Join Date: Sep 2009
Location: British Columbia, Canada
Member`s Gallery
Posts: 1,341
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Checked them all
No tach, no speedo, no alternater, no check engine light
Truck starts and drives fine. All lights work
__________________
96:CCLB/4x4:NV5600/3250DD, 178/208, 7mmDV's, 5x.016, 155*, 2095, 4GSK, H11, 61.5/68/.9-88/96/1.32, Hammy VS/Manton PR, Dual 3.5" Pusher, 1/2"Feed-3/8Return,6" longarm, Junkyard Freespin Kit
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04-18-2017, 12:01 PM
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#9
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Name: zstroken
Title: For $$$ your name here
Status: Not Here
Join Date: Sep 2006
Location: Western Michigan(by the lake)
Member`s Gallery
Posts: 23,151
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Have you tried to communicate with the PCM?
__________________
2008 4x4 Megacab, 68RFE
97 Dodge gone....
24V P-Pump Mafia member #1(retired)
Thanks to Mumau Diesel, Goerend Transmission, Northeast Diesel Service!
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04-18-2017, 12:13 PM
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#10
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Name: BigPapa
Title: Truckless
Status: Not Here
Join Date: Jan 2008
Location: Springfield, TN
Member`s Gallery
Posts: 5,008
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Communication.
__________________
Scott
2003 Avalanche Z71
Common sense is like deodorant. The people that need it most never use it.
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04-18-2017, 12:13 PM
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#11
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Name: BRE
Title: Too Much Time
Status: Not Here
Join Date: May 2010
Location: Southwest MO
Member`s Gallery
Posts: 12,705
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No tach, Alternater or grid heater..... Suddenly
Last one I had do this, the speed sensor wires were shorted out.
If you follow the diagrams, the same 5v reference that feeds the speed sensor also feeds the tach pickup out of the pcm.
__________________
Rick
07 Dodge 3500 - Tow mirrors, silencer ring MIA, Spectra air filter.
Quote:
Originally Posted by jfaulkner
There really is nothing better than OEM. That goes for anything from turbos to boobs.
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RIP Dex KCCO
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04-18-2017, 12:15 PM
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#12
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Name: BigPapa
Title: Truckless
Status: Not Here
Join Date: Jan 2008
Location: Springfield, TN
Member`s Gallery
Posts: 5,008
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Just throwing this out, but, when I did my 12V conversion I had the same symptoms that ended up being a loose connector. On the fire wall, right above the master cylinder, there are three connectors. Make sure they're connected good and not corroded.
__________________
Scott
2003 Avalanche Z71
Common sense is like deodorant. The people that need it most never use it.
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04-26-2017, 10:26 PM
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#13
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Name: Kronic_187
Title: Mekanical injection junky
Status: Not Here
Join Date: Sep 2009
Location: British Columbia, Canada
Member`s Gallery
Posts: 1,341
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Thanks for the info, i'll pick my way through it tommorow and see what i can come up with
__________________
96:CCLB/4x4:NV5600/3250DD, 178/208, 7mmDV's, 5x.016, 155*, 2095, 4GSK, H11, 61.5/68/.9-88/96/1.32, Hammy VS/Manton PR, Dual 3.5" Pusher, 1/2"Feed-3/8Return,6" longarm, Junkyard Freespin Kit
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04-30-2017, 12:47 AM
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#14
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Name: Kronic_187
Title: Mekanical injection junky
Status: Not Here
Join Date: Sep 2009
Location: British Columbia, Canada
Member`s Gallery
Posts: 1,341
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Everything works now but speedo...
I clocked the speed sensor 90* from where it was after i cleaned and greased all my grounds.
Anyone got instructions on how to trouble shoot speed sensor issues?
Or which way they should be clocked?
I ordered a new one just incase but i may be able to adjust it?
__________________
96:CCLB/4x4:NV5600/3250DD, 178/208, 7mmDV's, 5x.016, 155*, 2095, 4GSK, H11, 61.5/68/.9-88/96/1.32, Hammy VS/Manton PR, Dual 3.5" Pusher, 1/2"Feed-3/8Return,6" longarm, Junkyard Freespin Kit
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04-30-2017, 07:23 AM
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#15
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Name: biggy238
Title: Too Much Time
Status: Not Here
Join Date: Aug 2008
Location: Just North of Wrong
Member`s Gallery
Posts: 10,819
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Is there a good reason you clocked it?
Turning the sensor is for a tire diameter change. The sensor is eccentric, and turning it moves the sensors axis so a larger (or smaller) driven gear can fit.
It should have tabs and numbers indicating tooth count on the round part that plugs into the Tcase
Sent from my XT1575 using Tapatalk
__________________
Check out @bdmaximusworx
05.5 Campanella White TDi Jetta 5spd 45.5MPG
-Little Sexy
'10 Silver F250 CCLB 4X4 6.4L cummins Swapped
Insta @trash.panda250
Last edited by biggy238; 04-30-2017 at 07:24 AM.
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04-30-2017, 07:55 AM
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#16
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Name: CowboyEdition
Title: Because Diesel
Status: Not Here
Join Date: Feb 2013
Member`s Gallery
Posts: 192
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What did you do to get the rest all working?
Sent from my SM-G935W8 using Tapatalk
__________________
98 12v QCSB Sport Package
0 Plate, 4k gsk, 60# Springs
Ported/Polished/Oringed/Studed Head
DFI 5X0.014's, Standard Pump Mods
S300 VNT Turbo, Mechanically Actuated
Home-built trans with goodies
Borgeson, DOR, Bilstein and Carli Upgrades
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04-30-2017, 04:35 PM
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#17
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Name: Kronic_187
Title: Mekanical injection junky
Status: Not Here
Join Date: Sep 2009
Location: British Columbia, Canada
Member`s Gallery
Posts: 1,341
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... i turned the speed sensor n it started working again
All i did was clean grounds. I had speed sensor unplugged when i flashed it up, tach started workin. Pulled speed sensor, cleaned out connector, noticed blue paint. Lined up paint. Fired it up again... everything but speedo works now
__________________
96:CCLB/4x4:NV5600/3250DD, 178/208, 7mmDV's, 5x.016, 155*, 2095, 4GSK, H11, 61.5/68/.9-88/96/1.32, Hammy VS/Manton PR, Dual 3.5" Pusher, 1/2"Feed-3/8Return,6" longarm, Junkyard Freespin Kit
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04-30-2017, 05:03 PM
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#18
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Name: Kronic_187
Title: Mekanical injection junky
Status: Not Here
Join Date: Sep 2009
Location: British Columbia, Canada
Member`s Gallery
Posts: 1,341
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So nobody's got any suggestions on how it should be clocked?
__________________
96:CCLB/4x4:NV5600/3250DD, 178/208, 7mmDV's, 5x.016, 155*, 2095, 4GSK, H11, 61.5/68/.9-88/96/1.32, Hammy VS/Manton PR, Dual 3.5" Pusher, 1/2"Feed-3/8Return,6" longarm, Junkyard Freespin Kit
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04-30-2017, 06:42 PM
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#19
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Name: biggy238
Title: Too Much Time
Status: Not Here
Join Date: Aug 2008
Location: Just North of Wrong
Member`s Gallery
Posts: 10,819
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I said in plain English how it works. Take it out and look at it.
Sent from my XT1575 using Tapatalk
__________________
Check out @bdmaximusworx
05.5 Campanella White TDi Jetta 5spd 45.5MPG
-Little Sexy
'10 Silver F250 CCLB 4X4 6.4L cummins Swapped
Insta @trash.panda250
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05-01-2017, 03:26 PM
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#20
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Name: Kronic_187
Title: Mekanical injection junky
Status: Not Here
Join Date: Sep 2009
Location: British Columbia, Canada
Member`s Gallery
Posts: 1,341
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ohhhh. Sanku sahhh
Fixedit
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