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09-29-2021, 08:36 PM
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#21
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Name: Got Smoke?
Title: Too Much Time
Status: Not Here
Join Date: Oct 2006
Location: Gallatin,TN
Member`s Gallery
Posts: 4,728
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Quote:
Originally Posted by jasonc
You have one dead as shit battery tied directly into your one good battery. Fucking it all up
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I understand what you’re saying, but if the truck will start on one battery and the TIPM, ECM, ETC is all on the drivers side I just don’t get why it won’t run/start correctly?
Never claimed to be good with electrical. Lol
__________________
Mark
2007 2500 Mega 68RFE FirePunk EFI/CSP5 & TCM tuning, Edge CTS II.
1997 2500 Jokerfab cyl head, PDR street cam, FDS benched pump, DFI 5x18's, HX35 63/67, FirePunk 47RE & anteater.
2003 Jetta TDI 5spd "DZL WGN" lot's of mods
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09-30-2021, 06:38 AM
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#22
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Name: Snedge
Title: Comp Diesel Sponsor
Status: Not Here
Join Date: Sep 2006
Location: Western Pa.
Member`s Gallery
Posts: 18,832
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Quote:
Originally Posted by Got Smoke?
I understand what you’re saying, but if the truck will start on one battery and the TIPM, ECM, ETC is all on the drivers side I just don’t get why it won’t run/start correctly?
Never claimed to be good with electrical. Lol
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Parasitic draw is a cool phrase.
I believe the extra strain on the alternator/ECM caused by a needy battery is what you're dealing with. I'm no electrician. Unfortunately, the gear head in me has been forced to lean on the old multimeter so much in the past few decades, I'm actually beginning to feel more like an electrician than a grease monkey.
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09-30-2021, 08:47 AM
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#23
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Name: BigPapa
Title: Truckless
Status: Not Here
Join Date: Jan 2008
Location: Springfield, TN
Member`s Gallery
Posts: 5,009
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I suggest replacing both batteries and the crossover cable.
From what I understand, the alternator is directly connected to the RH battery and battery level is sensed from the LH battery. With a bad crossover cable the batteries are basically standing alone. The alternator is trying to charge the LH battery through the RH battery that’s not connected to the other.
__________________
Scott
2003 Avalanche Z71
Common sense is like deodorant. The people that need it most never use it.
Last edited by BigPapa; 09-30-2021 at 08:52 AM.
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09-30-2021, 06:46 PM
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#24
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Name: Got Smoke?
Title: Too Much Time
Status: Not Here
Join Date: Oct 2006
Location: Gallatin,TN
Member`s Gallery
Posts: 4,728
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Quote:
Originally Posted by BigPapa
I suggest replacing both batteries and the crossover cable.
From what I understand, the alternator is directly connected to the RH battery and battery level is sensed from the LH battery. With a bad crossover cable the batteries are basically standing alone. The alternator is trying to charge the LH battery through the RH battery that’s not connected to the other.
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I’m so pissed off at this crap.
Got passenger side battery warrantied today put it in, and it immediately does the same thing starts and dies. Start again and it’s fine. Drive 1/2 mile down the road stop go in grab something and it takes 7-8 attempts of starting to stay running.
Had a CEL at that point came home scanned it and it was a P0562 System Low Voltage
I checked voltage at the passenger side battery last night, and on the end of the crossover cable separated on the drivers side and it was the same no drop. It’s a homemade cable also. Going to call and get the other warrantied tomorrow he brought two out to the truck and my mouth reacted before my brain and told him I only needed the one. Where did you get a new crossover cable Scott?
__________________
Mark
2007 2500 Mega 68RFE FirePunk EFI/CSP5 & TCM tuning, Edge CTS II.
1997 2500 Jokerfab cyl head, PDR street cam, FDS benched pump, DFI 5x18's, HX35 63/67, FirePunk 47RE & anteater.
2003 Jetta TDI 5spd "DZL WGN" lot's of mods
Last edited by Got Smoke?; 09-30-2021 at 06:51 PM.
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09-30-2021, 08:43 PM
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#25
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Name: BigPapa
Title: Truckless
Status: Not Here
Join Date: Jan 2008
Location: Springfield, TN
Member`s Gallery
Posts: 5,009
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I made it. I went to the mil spec terminals so I had to put eyes on the cables. When I cut the end off the crossover cable it was corroded 3”-4” under the insulation, so I pitched it and made a new one.
__________________
Scott
2003 Avalanche Z71
Common sense is like deodorant. The people that need it most never use it.
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10-02-2021, 02:08 PM
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#26
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Name: Got Smoke?
Title: Too Much Time
Status: Not Here
Join Date: Oct 2006
Location: Gallatin,TN
Member`s Gallery
Posts: 4,728
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Drove the truck to work yesterday took two attempt's to start and stay running both when I left with my kids in the morning, also when I left work yesterday afternoon.
Went by got my other battery warrantied out cleared codes in the parking lot, made one other stop and came home. Intentionally cut the truck on and off a few times once I got home no other problems and no low voltage code.
__________________
Mark
2007 2500 Mega 68RFE FirePunk EFI/CSP5 & TCM tuning, Edge CTS II.
1997 2500 Jokerfab cyl head, PDR street cam, FDS benched pump, DFI 5x18's, HX35 63/67, FirePunk 47RE & anteater.
2003 Jetta TDI 5spd "DZL WGN" lot's of mods
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