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Old 12-05-2012, 05:31 PM   #1
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Flickering Instrument Panel

the bus starts but is not totally charged.

I turned the bus on today and the glow plug light and the brake pressure light is flickering and
the second charge discharge gauge is moving from zero to full right about every second.

Also their is some hum or low buzz from some place.

Please see video as Im preetty much a stoner hippy and cant actually type what im "Sayn"
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Old 12-05-2012, 07:17 PM   #2
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Re: Flickering Instrument Panel

That buzzing is probably your air pressure warning buzzer. Maybe you have a relay shorting out or loose wire/cable somewhere. I recommend you put down the pipe long enough to drive the bus to a mechanic. I doubt you will be able to diagnose the problem with a shakey video.
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Old 12-05-2012, 07:20 PM   #3
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Re: Flickering Instrument Panel

I can assume the brakes are powered by a dead battery and are flipping out.
Crazycal go troll some other thread.
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Old 12-05-2012, 07:37 PM   #4
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Re: Flickering Instrument Panel

You guys are funny
Imon my phone also...was it missing at the same time gage was moving and lights flashing?
I'm guessing here...but do the gaes normally only come on when engine off(no oil pressure) and switch to "run" not start?
What engine? It almost acts like the alt.is locking up or stopping the charge.
Have you checed the battery terminals for corrosion?take them off and look inside clamps.
Sorry need more info on what its in(chevy or?)
So we can diagnos further.
Something is def. Pulling variuos amps random
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Old 12-05-2012, 07:43 PM   #5
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Re: Flickering Instrument Panel

its not driving as im building the beds and shower and all that.

When I apply the brakes the brake pressure light goes ape **** and the glow plug light goes nuts and this second charging display flips out and a buzzer goes off. This was not the issue last week. Batteries are brand new but were discharged.

This is a 7.3 ford international 8 CYLL year 1983
When I drove it home over a 3000ft mountain the brakes worked fine.

With the motor off the warning lights work fine.

Thanks for the help im almost learning whats going on.
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Old 12-05-2012, 07:53 PM   #6
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Re: Flickering Instrument Panel

I would start with checking battery water(if low only top off with distilled water)
If possible try to charge them on say a 2amp old skool charger for a few days.
Check battery voltage and then load test them.
Older low amp chargers can "Maybe" revive a battery that's been discharged to far,one problem is the sulfites can grow and mess up the lead plates.
Even new with a good chaarge(voltage wise) can have irreversable damage to them.
What knid of voltage due you have between+ and - posts?
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Old 12-05-2012, 08:00 PM   #7
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Re: Flickering Instrument Panel

Ill have to do what you say, the batteries are 1 year old commercial batteries.
I kept a charger on them during the year as we used the lights.

It is a 2amp charger and its day one of the charge.

Funny was working a few days ago!

I do not have access to my Fluke meter right now
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Old 12-05-2012, 08:12 PM   #8
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Re: Flickering Instrument Panel

Sorry double post, Iv discovered when you press the brakes down the interior lighting dims quite a bit!
It must be electrical driven from a pump or hydro?
Charging at 2 amps
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Old 12-05-2012, 08:43 PM   #9
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Re: Flickering Instrument Panel

Quote:
Originally Posted by Jaybus
I can assume the brakes are powered by a dead battery and are flipping out.
Crazycal go troll some other thread.

I wasn't trolling when I answered your question but I can sure start now. You have air brakes but have no knowledge of how they work? Recipe for disaster. International didn't have the 7.3 in 1983, so unless the engine was changed, it's not a 7.3. What I wrote earlier stands including putting down the pipe.
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Old 12-05-2012, 08:57 PM   #10
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Re: Flickering Instrument Panel

Quote:
Originally Posted by crazycal
Quote:
Originally Posted by Jaybus
I can assume the brakes are powered by a dead battery and are flipping out.
Crazycal go troll some other thread.

I wasn't trolling when I answered your question but I can sure start now. You have air brakes but have no knowledge of how they work? Recipe for disaster. International didn't have the 7.3 in 1983, so unless the engine was changed, it's not a 7.3. What I wrote earlier stands including putting down the pipe.
Just because there is a Brake Pressure light does not necessarily mean that it has air brakes. My bus has a brake pressure light with hydraulic brakes and a power assist should the break booster fail. I didn't see any air pressure gauge indicating air brakes. I hear a clunking or something when the brake pressure light flickers and the gauge bounces. Where is that coming from or what is it?

CC is right, it is kind of difficult to diagnose this with the little amount of information supplied.
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