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Starting problem; Dash icons will not light


alan0043

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Hi Everyone,

 

My truck just came down with a problem. I will try to describe the problem the best that I can. I first start with turning the key to the first position to on and watch for the icons to light up on the dash. That is where the problem is at. The icons will not light up and you can not hear the solenoids click in. You think that the truck has dead batteries. The truck is always plugged in to a battery minder, so the batteries always have a full charge. To prove it to myself I will turn the key farther to the start position and the truck will start. The truck will build up air pressure. Let the truck run for about 5 minutes and then turn the engine off. Now go and try to start the engine again by turning the key to the first position and the dash icons will light up now and you also can hear the solenoids click in. Where do I start to look to for this problem ? The truck is a '98 Volvo with a Cummins N 14 engine.

 

All help is welcomed,

Al

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Has it only happened once? Can you repeat it? Try wiggling the key and see if you can get it to not have the lights on again.

 

It happens every time I try to start the truck now. Let the truck run for about 10 to 15 minutes then shut the truck off. Now restart the truck and every thing is just fine. The truck acts normal. Wait for about 3 to 4 hours and the truck has the problem back. Wiggling the key does not help. Is the ecm located on the engine ? Is there any kind of soleniod or soleniods that the truck has before it goes to the fuse box ? Where can I find a wiring diagarm for my truck ? I just need the starting diagram.

 

Please keep the help coming,

Al

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Last year I had my instrument panel out and apart replacing the bottom left hand LCD display (Thanks Roger!). While I had it all apart I cleaned everything with contact cleaner, the printed wire diagram, all the pins and plug ports.

Not saying this is the problem, but the tach doesn't jump around, and all the lights work, back lighting, etc.

While playing with a tail light issue, I removed every fuse, and either replaced ones that were old and corroded looking or just put back in the socket. Several things happened. The original electric horn that I thought was dead started working, and the sleeper cigarette lighter power plug started working. I didn't find any fuses that were visually "Blown", but moving them in the slot cleaned the blades enought to pass power again.

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Consider yourself lucky that you can at least start the truck when this happens. I have no idea the cause or fix, but will be watching for a resolution. Good luck with your quest.

 

My 2001 had a bad starter solenoid when I first got it. Took me a while to find out my intermittent starting issues. I have the Volvo engine though and initially thought I had dead batteries but had just shut down the truck so I sort of knew that wasn't the problem. Check the connections at the starter.

 

Rod

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Hi Everyone,

 

Things are getting better. I have used some 180 grit sand paper and clean all the fuses making them look new in the fuse box. Now when I try the key for the first time the icons will not light up. But when I try a second time the icons will light up. This is why I say things are getting better because the truck would not do that before. Has anyone used contact and tuner cleaner in the ignition switch ? I have not opened the side of the truck to clean the ecm fuse yet. I will still clean the ground wires under the hood.

 

Al

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Al-, in the ignition switch I used https://www.amazon.com/AGS-LE5-Lock-Ease/dp/B000CIJUGA on a sticking lock on the truck. Worked great. Pull the cover on the column- 2 screws- and I sprayed some in the lock, then sprayed canned air- like you would use to blow dust off a keyboard into the lock. The gunk that ran out was amazing. I repeated several times, no more sticking lock.

Lowes and Homedepot sell a lock cleaner/lube similar to Lock-Ease that should work.

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