Car wont start -- can't be jumped -- dead! What is up?

MannyC

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Car wont start -- can\'t be jumped -- dead! What is up?

I got back from a 4 day trip where I drove my car through 110 degree weather from San Diego to Las Vegas. This is a 1994 RT/10 I bought not too long ago with the SVSi stroker motor.

Two things happened. First, a little info: On the way to Las Vegas (a 5 hour trip from San Diego) the engine temp gauge did get in the yellow -- outside it was hot, about 110 degrees according to the big outside thermometer in Baker, and we were going up a hill for miles and miles and only able to go up to 20 MPH then had to stop, then speed up then stop due to traffic, etc. No problems there.

On the way back from Vegas, traffic was at a near stand still. Engine temp was warmer than normal, but not in the yellow. However, out of the blue, the car starts loping real hard, nearly dies -- Clutch in and I gas it to get RMP's up, but even with the gas pedal in, it revs for a second, then nearly dies, then revs again, then nearly dies. I shift from 1st into second quickly and again try to get the RPM's up, but the car is going crazy. As quickly as I can I get over to the left lane and pull over into the shoulder, which so happened to be about 5 feet wide due to construction divider blocks, so my car is sticking out into the lane. Car dues just as I get over there. Trying to start the car results in a few sputters then dies. I call AAA and they dispatch a truck. We're told it will be an hour or so due to how slow traffic is moving. Sun is beating down on us like no other -- feels like 115 degrees and we don't have a roof. CHP pulls over and talks to us for a while and also calls AAA. At this point we had been sitting there for about 20 mins. The cop is about to leave while we wait for the tow truck, so I decide to try to start it one last time. VROOOM, it starts up and is running normal. I ask the cop if he is going to be going our way for a while and he says yes, so I ask him if he can follow us in case it dies again. Luckily for us, we make the remaining 2 hour drive home without further incident -- car ran like a champ. OK, so I don't know what caused that. Based on what happened, it seemed like the car flooded itself and then after sitting for a while, it started up fine. The temp gauge was never in the yellow so I don't think it had to do with the engine overheating.

OK, so now the part of the story that leads up to why I am posting this. We parked the car about 5pm yesterday and this morning I go out to start it and it is dead. So dead that there isn't even a clickity clickity sound from the starter. The Radar detector wont even turn on. I run jumper cables from my F150 to the Viper and RING RING RING, my radar detector springs to life. Apparantly I had left it turned on overnight and sometime over that 16 hour span, the battery had drained out due to it. I thought this was odd since I have the same radar detector (Valentine One) in my Z06 and I have left it on in there for days without issue. Anyway, I try to crank the car and I get a about 1 second of engine turn before I use up the juice and it wont crank any more. I let it sit for a couple mins and do the same thing with the same results. I let the truck run for about 30 mins to charge up the viper using the terminal posts in the front of the car, and when I come back and try to start it, same result. Damn strange. I remove the jumpers and the car is absolutely dead again. It didn't charge at all -- nada! I borrowed my neighbors car starter which puts out 75 amps and still wouldn't start. I then hooked up my battery trickle charger (12 amps) and the light is orange which according to the manual means that power is being applied to the terminal, but it cannot detect a battery, so no charge status can be displayed.

So what is up? Is the battery fried? Did I somehow lose a connection somewhere during the 10 hours of driving?

I was going to check the battery, but do you need to take off the rear wheel to do so? I don't have the manual to read up on it.

We had duffle bags in the trunk (totally full) but I don't see anything back there that might have come disconnected when pulling the bags. And it seems hard for me to believe that a radar detector would drain a battery in less than a day.

What should I do? I need to have West Coast Viper do some work on my car still, so I might just have it towed up tomorrow, althought I really wanted to drive it up there and not have to pay for the tow -- and my car is soooooo low that it is going to be tough to get on a tow truck, plus WCV's is about 40 mins away.

Help! :)

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MannyC

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Re: Car wont start -- can\'t be jumped -- dead! What is up?

Ah shiat, a quick update. I was out in the garage and turned the radar detector to the ON position. Car is absolutely dead, but if any power were to come on from me wiggling a cable, then I would hear the radar detector go through it's start up sequence. Well I am wiggling every wire I can see in the trunk to no avail. In frustration, I slam the trunk lid closed and I hear the radar detector go through it's sequence. Something back there is loose. I assume it is the connector on the battery???? Is there an easy way to take a look at the battery?
 

REDSLED

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Re: Car wont start -- can\'t be jumped -- dead! What is up?

Manny, get rid of that car ASAP! It's been nothing but trouble. Get a car that has a warranty. I hope all works out for you. Let me know if you need any help. BTW-You'll have to take off the left rear tire to get to the battery.
-Jonathan
 

99 R/T 10

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Re: Car wont start -- can\'t be jumped -- dead! What is up?

Jack the left rear up, take off the tire and check the battery. My bet is one of the cables are loose. Just do it!
 

Vip-RT10

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Re: Car wont start -- can\'t be jumped -- dead! What is up?

Agreed, check on the battery cable connections first, and even think about a new battery if it's more than 2 years old. If that doesn't do it, turn the key to the first click tocharge the system, then check out the positive terminal on the engine compartment. Follow it up until it gets to about the windshield wiper motor and wiggle those 6 thin (fuseable link) wires. If it starts, that is the problem. and you need to make new connections there. That happened to me and I fixed it that way. Let us know.....
 

dansauto

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Re: Car wont start -- can\'t be jumped -- dead! What is up?

Mine did same thing. I noticed the battery had a lot of white corresion on the positve terminal. I charged the battery right at the terminals and car seemed fine for a couple of days, but I noticed my alternator was running about 15 volts. Then it did it again, completetly dead!! So I replaced the battery and cleaned the terminals. Been fine ever since, my voltmeter on the dash still reads 14-15 volts, but a voltmeter across the terminals reads 14.4 so my car's voltmeter must be off a little.
 

ntmatter

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Re: Car wont start -- can\'t be jumped -- dead! What is up?

I had a similar problem 2 weeks ago. A stereo installer was doing some work, and put some ground wires for amplifiers on the same connection as the battery ground to the frame. This connection was loose, and as a result I was getting no power to the battery - couldn't jump start it. My Viper Tech found the loose connection, tightened it, and everything was fine.
 

picflight

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Re: Car wont start -- can\'t be jumped -- dead! What is up?

Manny, it could very well be the battery. Start there to diagnos your problem. Jon has good adivce too, I would consider that.

Good luck.
 

joe117

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Re: Car wont start -- can\'t be jumped -- dead! What is up?

Yes, it could be a cracked interconnect buss inside the battery. That might give the same results when you wiggle the cable.
Change the battery. It's not worth worrying about.
 
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MannyC

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Re: Car wont start -- can\'t be jumped -- dead! What is up?

The car is now at West Coast Viper. They are going to do a full check up on the car. I needed to bring it in anyway to get the car Dyno'd with the new NOS setup. I'll post here with info on what they find.
 
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