1988 CRX DX, Fuse 12 (15A) keeps blowing

 
Old 02-13-2011, 12:22 PM
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Default 1988 CRX DX, Fuse 12 (15A) keeps blowing

Fuse 12 is listed as cig lighter, dome lights, and interior clock. As soon as I put a new fuse in, it blows.

Any ideas where I should start?
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Old 02-13-2011, 03:03 PM
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Default Re: 1988 CRX DX, Fuse 12 (15A) keeps blowing

get ur car manual and locate the fuse on the schmatic and look for the wires coming in and going out of were the fuse goes.. check for shorts, cut wires etc..
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Old 02-13-2011, 03:26 PM
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Default Re: 1988 CRX DX, Fuse 12 (15A) keeps blowing

Sounds good, I hope I can locate it without too much trouble cause a lot of wires are wrapped into bunches with electrical tape. Thanks!
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Old 02-13-2011, 09:02 PM
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Default Re: 1988 CRX DX, Fuse 12 (15A) keeps blowing

clock, radio, cig lighter,trunk light, and dome is on 12. i just had this same problem
stock or after market radio? anything in your cig lighter?
pull the wires on each componet and install fuse if it blows go to next item on list
if it doesnt blow look for you promlem in that set of power wire see image for help

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Old 02-14-2011, 09:32 AM
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Default Re: 1988 CRX DX, Fuse 12 (15A) keeps blowing

Originally Posted by killa69er View Post
clock, radio, cig lighter,trunk light, and dome is on 12. i just had this same problem
stock or after market radio? anything in your cig lighter?
pull the wires on each componet and install fuse if it blows go to next item on list
if it doesnt blow look for you promlem in that set of power wire see image for help



There is no bulb in the dome light (can anyone tell me what size it is?), the radio (aftermarket Sony) doesn't work, the cig lighter doesn't work, and I don't think the trunk light is functional either (when is it supposed to turn on?).

Thanks! This will make finding the problem much faster... I'll report back once I find out what is wrong.

Edit: The clock works but the time resets after the car is turned off.
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Old 02-14-2011, 10:33 AM
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Default Re: 1988 CRX DX, Fuse 12 (15A) keeps blowing

Originally Posted by atto View Post


There is no bulb in the dome light (can anyone tell me what size it is?), the radio (aftermarket Sony) doesn't work, the cig lighter doesn't work, and I don't think the trunk light is functional either (when is it supposed to turn on?).

Thanks! This will make finding the problem much faster... I'll report back once I find out what is wrong.

Edit: The clock works but the time resets after the car is turned off.
the clock reset because the fuse 12 is a hot at all times.. and acts as a memory for the clock and radio...
non will work as long as the fuse is blown
i would say pull the radio and check the yellow wire on the back of the radio as that is the constant power to the radio the red wire is the acc. so when u turn the key on the radio turns on... if the yellow is off and hitting a ground u will pop fuse factory color on the car i belive is white with blue strip.
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Old 02-14-2011, 10:48 AM
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Default Re: 1988 CRX DX, Fuse 12 (15A) keeps blowing

What is "acc" for the red wire?

When you mean "hitting a ground", do you mean the insulation could have been worn and be hitting a piece of metal?

I will probably be working on it the day after tomorrow because I'm swamped with school work right now.
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Old 02-14-2011, 01:42 PM
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Default Re: 1988 CRX DX, Fuse 12 (15A) keeps blowing

the red wire on the back of the radio or the white and blue strip on the chassie harness could have bare metal and hitting something metal in the dash and grounding out..
same goes for the cig lighter as well and the clock fuse 12 is the white and blue strip wire curcuit
acc is for accessory red wire on back of radio
yellow is constant should have power all times
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Old 02-14-2011, 02:29 PM
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Default Re: 1988 CRX DX, Fuse 12 (15A) keeps blowing

Thank you for the clarification.

What did it end up being in your case?

I'll report back when I find it.
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Old 02-15-2011, 11:45 AM
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Default Re: 1988 CRX DX, Fuse 12 (15A) keeps blowing

I checked it out today.

I removed the console and I noticed a black wire (ground) from the radio just hanging (not attached to anything). I figured since it wasn't grounded, then that might be causing it. So I grounded it and put a new fuse in and it popped.

I then unplugged the radio and then put a new fuse in. It popped, too.

I unplugged the cig lighter and put a new fuse in. It also popped.

I followed the white/blue wire as much as I could but it is mostly wrapped in a black wire tubing, so I doubt that it's cut along there.

Red acc. wire is hot, but the yellow wire is never hot (even when motor is on). Could this be causing it.

Where should I go from here?

Last edited by atto; 02-15-2011 at 12:58 PM.
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Old 02-15-2011, 03:43 PM
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Default Re: 1988 CRX DX, Fuse 12 (15A) keeps blowing

Originally Posted by killa69er View Post
clock, radio, cig lighter,trunk light, and dome is on 12. i just had this same problem
stock or after market radio? anything in your cig lighter?
pull the wires on each componet and install fuse if it blows go to next item on list
if it doesnt blow look for you promlem in that set of power wire see image for help

can u tell me where u got this diagram from?
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Old 02-15-2011, 04:14 PM
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Default Re: 1988 CRX DX, Fuse 12 (15A) keeps blowing

Originally Posted by codybuRr View Post
can u tell me where u got this diagram from?
i have alldata
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Old 03-25-2019, 11:49 AM
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Default Re: 1988 CRX DX, Fuse 12 (15A) keeps blowing

Has anyone since this threads last entry solve a fuse #12 problem? And how.

I have this issue


Bringing threads back from the dead happens when people go to google before starting a new thread.
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