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Battery, Brake, and Door lights on while driving

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Old Mar 17, 2006 | 01:37 PM
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Default Battery, Brake, and Door lights on while driving

I have a 99 Accord v6 that drives perfectly fine, but the battery, brake and door lights on the dash are constantly on. It seems like they only turn off when you get on the gas. Then when you let go, they come back on again. Any ideas?

Thanks guys.
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Old Mar 17, 2006 | 04:24 PM
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That is quite a weird combination. Spooks?
The battery light would normally tell me that your electrical system (battery or charging system) is getting down to low voltage when the engine slows down. Might need battery or alternator or both. Check the voltage of the battery first thing in the morning to see if it's at around 12.5 to 13 volts (normal). Then start the engine (if it'll start) and immediately check the voltage at the battery terminals again, even at idle. It should read about 14 to 14.5 volts (normal). If one of these is not normal, you may have a better clue as to what is going on.
The brake light might be attributed to a low boost in the power brake system at low rpm. A vacuum leak perhaps. Check the hoses that come and go from the brake boost cannister for tighness and cracks. The door light normally would mean either your door is ajar or there's a short in the power wire that feeds the door pin.
What's the big mystery is why all three of these happen together.
I'm still going with Spooks.
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Old Mar 17, 2006 | 04:33 PM
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Its weird though because it says all of the doors including the trunk are open. As for the battery/charging system, its been in the cold for a couple hours now and it started up fine. Even drove it to run some errands. I'll check again in the morning. No idea about the brakes. I'll check it out in the morning.

Its freakin weird! As soon as it hits 2000rpm or so all the lights go off and the dash looks normal. Get off the gas and they all show up again. Spooks is a better explanation than anything else I can come up with.
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Old Mar 17, 2006 | 06:56 PM
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Sounds like an electrical problem to me.
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Old Mar 17, 2006 | 07:16 PM
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So what has been recently done to the car - just prior to this happening?

Check all your fuses (under the dash and under the hood) - all those lights may just be an indicator that you lost power to those systems.
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Old Mar 17, 2006 | 08:10 PM
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Nothing just prior. I changed the brake pads a couple weeks back but thats it. I'll check the fuses in the morning (its freakin cold outside!) and post. Thanks guys.
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Old Mar 17, 2006 | 09:39 PM
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I don't think it's fuses. That wouldn't explain the lights coming on and going off. And I can't figure how those three would be related. My first concern is the battery light. That's indicating (if it's valid) a charging problem. That's either the alternator, battery or possibly a belt issue, but I think he'd hear it if it was a loose belt.

I'm thinking a low charge on the battery. I had an Eclipse once that did weird things with the dash lights and it turned out the battery needed to be charged up.

Then again, could be spooks.
-golfpro
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Old Mar 18, 2006 | 08:39 PM
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Update:

My mom took the car out this morning but it died on the highway. She says that it was driving fine then all the lights lit up then the car just died. She managed to get the car off the highway were a local shop towed it away. We'll see what the shop in Jersey says.
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Old Mar 18, 2006 | 10:53 PM
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Originally Posted by ideugene,Mar 18 2006, 10:39 PM
Update:

My mom took the car out this morning but it died on the highway. She says that it was driving fine then all the lights lit up then the car just died. She managed to get the car off the highway were a local shop towed it away. We'll see what the shop in Jersey says.
I'm going to guess low voltage in the electrical system. Bad battery, bad charging system or both. Those warning lights on the dash may simply be coming on due to low voltage, much like when you first turn to ignition to ON but haven't cranked it to start it yet. They are a kind of test cycle for the lights just before things get going.
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Old Mar 20, 2006 | 09:41 AM
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Sounds like the alternator is going belly up...
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