Headlight's Low Beam Not Working - DodgeIntrepid.Net Forums - Dodge Intrepid, Concorde, 300m and Eagle Vision chat
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post #1 of 18 (permalink) Old 08-24-2007, 12:25 AM Thread Starter
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Sad Headlight's Low Beam Not Working

I just purchased a 2001 Intrepid Se. I knew it had this problem when I bought it, so I replaced all the fuses, relays, bulbs, and even the headlight switch to fix the problem. And my low beams still don't work! They work when I flash my brights though??? I'm tired of driving at night with just my drl and side marker lights. What could be the problem?
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post #2 of 18 (permalink) Old 08-24-2007, 12:28 AM
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Are you SURE you replaced all the fuses, not only only the ones next to the junction block, but the ones under the hood? It may maybe a wiring issue if so.
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post #3 of 18 (permalink) Old 08-24-2007, 12:42 AM Thread Starter
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All fuses have been replaced..... even under the hood. The wiring isn't bad. Because the low beams come on too when I flash the brights.
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post #4 of 18 (permalink) Old 08-24-2007, 12:47 AM
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Sounds like a possible multi function switch problem.
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post #5 of 18 (permalink) Old 08-24-2007, 01:05 AM Thread Starter
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I know the part number for the switch. So how would I go about to change that, and exactly what does it have to do with the low-beams anyways?
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post #6 of 18 (permalink) Old 08-24-2007, 10:22 AM
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Check the relay.
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post #7 of 18 (permalink) Old 08-24-2007, 11:20 AM
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Quote:
Originally Posted by Bearkat
I know the part number for the switch. So how would I go about to change that, and exactly what does it have to do with the low-beams anyways?
Just thinking a possible short, since our low beams stay on with the high, and you get lows when you use the MFS, I assume there is some circuit involving the lows. Chris has a good point, about checking the relay.

Last edited by Dodgaholic; 08-24-2007 at 11:22 AM.
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post #8 of 18 (permalink) Old 08-24-2007, 12:10 PM Thread Starter
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The relay has been replaced. So I guess I'll try the multi function switch.
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post #9 of 18 (permalink) Old 08-24-2007, 12:12 PM
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Til you get it fixed, you can disconnect the high beam lamps, and still have lights at least, since they come on with your high beams.
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post #10 of 18 (permalink) Old 08-24-2007, 12:21 PM Thread Starter
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My multi function switch doesn't hold like I think it's supposed to. I have to hold it back to keep them on. I'm assuming the lever is probably broken then???
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post #11 of 18 (permalink) Old 08-24-2007, 12:46 PM
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check the ground wires for the low beams and make sure they are grounded.
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post #12 of 18 (permalink) Old 08-24-2007, 12:59 PM
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I'm looking at the wiring diagram and trying to figure this out.
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post #13 of 18 (permalink) Old 08-24-2007, 01:11 PM
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Quote:
Originally Posted by froggy81500
check the ground wires for the low beams and make sure they are grounded.
His low beams work with the high beams, Chris. I'm assuming that rules out a ground issue, or they wouldn't work at all.
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post #14 of 18 (permalink) Old 08-24-2007, 01:12 PM
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Quote:
Originally Posted by Bearkat
My multi function switch doesn't hold like I think it's supposed to. I have to hold it back to keep them on. I'm assuming the lever is probably broken then???
Are you meaning you can't click the highs to stay on?
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post #15 of 18 (permalink) Old 08-24-2007, 01:26 PM
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Quote:
Originally Posted by Dodgaholic
His low beams work with the high beams, Chris. I'm assuming that rules out a ground issue, or they wouldn't work at all.
I've seen grounding issues with lighting where the circuit will back feed thru the ground terminals in a light from another circuit. But after looking over the diagrams I don't see it happening with these cars.

The multi-function switch, based on what I can see in the diagram, has two contacts: #1 is a momentary flash to pass which gets battery+ and applies it to the high beam relay coil. #2 is the clicked position for the highbeams. That #2 circuit gets its power from the low beams and feeds the high beam relay coil. Now, if the two contacts in the MFS are close enough where if you hold it in the right position, it would connect battery power across the terminal for the high beam relay and also thru the #2 contact and feed the low beams also. The MFS might be part of the problem but I don't think its the only problem. It still doesn't explain why the low beams don't come on when the headlight switch is on.

Pull out the low beam relay and try to get the cover off of it and plug it back in. Carefully push the actuator and see if the low beams come on. If they do, then for some reason the BCM is not completing the circuit when you turn your headlights on. One side of the low beam relay coil is +battery and the other is controlled by the BCM.

Also, if you pull fuse #11 from the junction block and pull your MFS for your high's the low's shouldn't be on.

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Last edited by froggy81500; 08-24-2007 at 01:28 PM.
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