From: Chris Brunner (cjbrunner@optonline.net)
Date: Tue Jun 28 2005 - 15:46:03 PDT
I have to agree with Mike, sounds like you have bad engine grounds and
you're grounding something big through the radiator/frame connection.
Make sure that braided strap has good connections between the engine and
body and also make sure that the engine is well grounded.
Tom Kelly wrote:
>Good Morning Gentleman
>
> You may remember my M1009 quit running right before Christmas, without
>rehashing all the SNAFU's, I ended up installing a take out hummer
>engine, and getting the transmission rebuilt, being on a severe budget
>this has taken me a while to accomplish. Got her all together last
>night, filled all the necessary fluids, double checked bolts for
>tightness, re-installed hood.
>
>I got up this morning hooked my M35A2's batteries to the cucv's
>batteries, and started to bleed the fuel system. I left the fuel filter
>off, while I cranked her, and got a big stream that reached as far as
>the radiator. Good! I installed the filter, un hooked the shut off
>solenoid, and cranked her over a few times to fill the injector pump. I
>cranked her over 10 revolutions and noticed a little smoke up near the
>firewall near the fuel filter. I couldn't tell exactly were it cames
>from, so I got my wife to turn the truck over while I watched for smoke,
>I also cracked #1 injector open and had her hold full throttle as she
>cranked it.
>
> I saw smoke from where all the wiring harness's connectors are next to
>the fuel filter so I jumped up on the truck and started sorting through
>the wiring spaghetti, and found a scorch mark on the flat braided
>grounding strap, but couldn't find any hot or burnt areas on any of he
>wiring harnesses that were on top of it...hmmmmm.. I noticed at the same
>time I saw the smoke from the grounding strap that there was some smoke
>comming from the small ground wire that comes off the batteries NEG
>cable and is bolted to the right of the radiator (all grounding wire
>bolts are tight).
>
> I picked up the wiring harnesses off of the grounding strap, thinking
>that would cure my ills. Continued trying to bleed the injectors, but
>wasn't getting as much fuel as I thought there should be, if we cranked
>for 7 revolutions or less usually didn't get any smoke 7-10 we got
>smoke. I'm assuming this means I have a dead short somewhere...DOH!! and
>current is flowing back through the grounds, at one point we cranked too
>long and melted the insulation off of the small negative terminal wire
>that bolts next to the radiator!
>
> I believe I have 2 problems here, obviously an electrical problem..but
>I have no way to check ohms, amps, volts, I'll probably have to find
>somebody who does, or take it to a shop. Another interesting and
>possibly related piece of information is that when attempting to start /
>turn over the engine the Glow plug/Water light never lit up! My glow
>plugs don't work, but the lights always did, I didn't touch any of the
>relay's wires so have no idea why this is occurring, but will bet
>somehow it's all related.
>
> The second problem is I'm getting drips of fuel at the injectors
>instead of streams, I just replaced the fuel sensor (I new Stu would
>bring this up) but no change, maybe if I could crank her over longer,
>but due to the smoke issue I decided to quit before I lost all the
>"magic smoke" and it refused to play anymore. One other thing, I got
>under the vehicle while being cranked, and saw no smoke coming from the
>starter area, I thought maybe one of the hot wires was touching the
>block or heat shield but I don't believe it is. I'm dead in the water at
>this point, so I can use all the advise/suggestions that you might have,
>feel free to contact me off or on list.
>
>Thanks - Tom
>Buckeye, AZ
>
>
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This archive was generated by hypermail 2.1.4 : Fri Oct 28 2005 - 22:47:31 PDT