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Old 11-18-2012, 05:48 PM   #1 (permalink)
braddunagan
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New Alternator now truck won't turn over

I finally changed my alternator today. I believe the diodes were stuck and that is what was killing my batteries.
Let me start by saying I've had my truck on slow charge all day and I know the batteries are charged strong. I've also checked the connections and they are good.
When I attempt to crank the truck after the glow plug light goes out it won't do anything. Not even a click. I even attempted with the 225 amp starter charge and nothing.
I hope this isn't the problem but needs to be said. Today when I changed my alternator I removed the upper fan shroud because I also changed the belt. As I said I had the charger hooked up. After I reinstalled the fan shroud I reinstalled the electronic box (don't know what it's called) on the driver side of the fan shroud. In doing so I accidentally touch the metal back of it to the end of my positive charger clip. It arced a little but no burnt spot. I know I should have unhooked the charger but honestly never though anything would touch.
Now I'm wondering if I blew a fuse or something. I pulled and gave all the fuses a sight check. All appeared fine. I could not pull the big fuse but can see down in them and again all looks fine.
Now I want to add this also. When I pulled the charger off the clips arc when pulled. It never did that before so now I'm worried.
If I've forgot anything feel free to ask.
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Old 11-19-2012, 09:06 PM   #2 (permalink)
tbrowne
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There is an Emergency 9-1-1 forum at the top of the home page. I'd take the question there for a quick response. I'd stop doing anything at this point that might make matters worse until you hear from someone that may know what has happened.
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Old 11-19-2012, 09:54 PM   #3 (permalink)
treyhope
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i do not know for sure but maybe something you can do a quick search on and check but i have seen a few post about people jumping off other vehicles and accidently touching there tcm, which i believe is the thing you are refering to that arched, when they touched the jumper cables to it. and it fries the internal ground the tcm has which wont let the truck start. for temp. fixes they some how grounded the tcm to something. like i said you can do a search on this real quick and check i may be wrong on that being the problem but trying to give you some suggestions
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Old 11-19-2012, 09:55 PM   #4 (permalink)
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found this http://www.justanswer.com/chevy/134v...ice-brake.html
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Old 11-20-2012, 04:51 AM   #5 (permalink)
braddunagan
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Thanks tbrowne but this is not an emergency situation. I want it fixed fast but I'm not broke down anywhere. I have already stopped doing anything else so thanks for that advice.
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There is an Emergency 9-1-1 forum at the top of the home page. I'd take the question there for a quick response. I'd stop doing anything at this point that might make matters worse until you hear from someone that may know what has happened.
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Old 11-20-2012, 04:54 AM   #6 (permalink)
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Treyhope, I believe you are correct and unfortunately after doing some research I believe this is exactly what I've done. Hopefully I can find a TCM cheap somewhere. I checked eBay and found one for $290. I can't afford that right now.

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Originally Posted by treyhope View Post
i do not know for sure but maybe something you can do a quick search on and check but i have seen a few post about people jumping off other vehicles and accidently touching there tcm, which i believe is the thing you are refering to that arched, when they touched the jumper cables to it. and it fries the internal ground the tcm has which wont let the truck start. for temp. fixes they some how grounded the tcm to something. like i said you can do a search on this real quick and check i may be wrong on that being the problem but trying to give you some suggestions
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*RED 2006 LLY Duramax w/Allison Crew Cab LT, EFI Live, AEM Workhorse Polished intake, Pinnacle 4" Straight Exhaust w/5" polished Bullydog SS Tip, BD corrected manifold, Diamond Eye down pipe, Blocker plate and finger stick, Transgo JR, Transynd, Allison Deep Pan w/Filter, Fumoto Drain Valve, Fabtech 6" lift, Fabtech HD Tie rods, Cognito Pitman/Idler Brace, Dual pilar gauge w/Cobalt gauges, VALET remote start w/cool down timer, Amsoil Dual Remote Bypass filter, Line-x, Bilstein 5100 front, 5125 rear, AMP Research Electric Step, Soft Tonneau Cover, EZ-Down tailgate shock, EZ-Lift tailgate torsion, PUTCO Bed Rails, Putnam XDR Class V Hitch, Tekonsha P3 Brake Controller, Leveled Mirrors, All LUXed up, Inalfa Sunroof, Denali wood grain Bezel & Console, New model badges, Moulding removed and decals stripped, Titan 52 gal main tank, 98 gal in bed tank, 17x9 KMC XD Diesel's w/BFG 315/70/17 AT, 64mm modified stock Turbo courtesy of Mark at Danville Performance, Airdog 150, Labonte Stage 3 water meth, Fluid Damper, ATS Co-Pilot, Anvil train horns w/5 gallon tank, Ride Rite air bags, Vizualogic headrest DVD/monitors

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Old 11-20-2012, 08:16 AM   #7 (permalink)
JC1843
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If you short the TCM heat sink on a truck with a 6 speed-- you burn the ground wire-- and the starter will NOT work. Try grounding the heatsink to the engine with a jumper.
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Old 11-20-2012, 12:38 PM   #8 (permalink)
treyhope
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Quote:
Originally Posted by JC1843 View Post
If you short the TCM heat sink on a truck with a 6 speed-- you burn the ground wire-- and the starter will NOT work. Try grounding the heatsink to the engine with a jumper.
there you go I have read on a bunch of threads that they do this for a temp fix until they can afford a new tcm. give it a try and let us know!

this also makes me want to go find a plastic cover to put over mine so it never happens 290 bucks is a lot of money! i did see one on craigslist for 100 about 2 weeks ago. maybe you can find one on there
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2006 silverado 2500hd lly/lbz crew cab 4x4
only light tuning. egr blocked torsion bars cranked
nicktane cat filter adapter
MBRP 4 inch turbo back straight pipe
105,000 miles

TIME TO START KISSING HANDS AND SHAKING BABIES
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