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Reversed polarity on my battery. Wow that was dumb.

riptorn2002
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riptorn2002

riptorn2002

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Bad part of this is I use my truck for work "traveling" and I broke it in Indianapolis and live in western Missouri. Has anyone else had this (happen) to them? If so what all did you do to repair it? The stuff I've noticed that is not working on mine is the fuel pump, engine preheat, dome light, the radio, the ABS light comes on and i get a "no buss" message. I realized I had done something wrong when I heard the ABS system making some noise as soon as I had touched the post to the cable. I have found at least one fuse terminal shorted. There is power on both sides and I didn't smell any hot wires at any time.

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ISX

ISX

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Wasn't the other battery hooked up correctly? I'm trying to figure out what it didn't give you a big spark when you touched it. You would have had to hook them both up wrong. As far as what burnt up, I am not sure. Does the truck even run? Sounds like it doesn't. Might have fried the ECM/PCM :shrug:

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riptorn2002

riptorn2002

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I had both batteries out and was putting the first back in. I've been running 700 cca semi batteries and the old ones were getting week. I did get a spark when the post and the cable came togeather I didn't actually bolt the wire on I pulled it off right away. The abs also made some noise. I had to tow it back from Indiana it won't start. Should I start by changing my PCM. It had a bad voltage regulator anyway. I put in an older style mopar regulator years ago.

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riptorn2002

riptorn2002

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sounds expensive. Maybe I ought to find a donor truck lol. I use this truck for work so any help is much appreciated. The alternator is easy. I read somewhere if I unplug the pcm, abs ect.. one at a time and check for "no buss" code to go away I may be able to narrow down the problem keeping it from running. I could get by with some stuff not working as long as I can go down the road. Thanks

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rburks

rburks

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I found the engine control fuse blown. when I replaced it the cluster started to work along with the engine intake heater and the lift pump. Still no fire, no dome light and no radio so I think i need to look at the central timer. Any thoughts?

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riptorn2002

riptorn2002

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Went to check the fuse you told me about moparman It was blown, I had to wait till this morning in the light before I could get the little sucker out of that holder It did fix the radio and the dome but now the lift pump is not coming on? All of the other fuses are ok including the links to the intake heater. The "no buss" is no longer flashing. I think were getting close.

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riptorn2002

riptorn2002

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Thanks Mike I did get the lift pump to run but it works sometimes and sometimes not. I cranked it for a bit and it started to work. But the injection pump does not seem to be working and I am getting a p1968 code If i recall. You have a video on it. So I am still not communicating between the ecm and the injection pump. Oh the alternator was fried too. I did feel the injection pump relay kick in when I pulled it out and put it back in. It is snowing and wet cold here so I will have to look at further tomorrow. The ECM at the dealer is $1470 and $80 to flash. Still hoping to find out it is something other than that. :)

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Mopar1973Man

Mopar1973Man

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Ouch..Well the P1689 code is most likely going to be a Injection pump or VP44 if you can find a shop that has a cheater box to allow you to plug in the cheater box to the VP44 it should allow you to try and start the truck this will tell you if the Vp44 is shot... But by the looks of it you might be getting hit twice by the ECM and VP44... :pray: (Praying for ya)

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