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driver side low beam not working


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bubbly
User

Feb 24, 2017, 9:41 AM

Post #1 of 6 (288 views)
driver side low beam not working Sign In

2004, Chyrsler, Pacifica, 6 cylinder, 115,000 miles

Driver side low beam not working, passenger side low beam works and all high beams work. Removed and checked bulb found to be fine. With bulb removed checked both wires to the bulb socket (one black with green stripe and one white wire). With the light switch off, I checked the wires for ground, black wire showed a good ground the white wire showed no ground. With the light switch on I checked the wires the voltage of each wire to ground, the black wire showed no voltage the white wire showed only 6 volts. Can I cut the white low beam wire on the drivers side and run a new wire from there and tap onto the low beam wire on the passengers side?


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Feb 24, 2017, 9:53 AM

Post #2 of 6 (281 views)
Re: driver side low beam not working Sign In

No, you cannot do that. The headlamps are individually controlled by transistor drivers in the Integrated Power Module which are only designed to carry small loads so doubling the load to one of them will swiftly burn it out.

You will have to track down some wiring to make sure it isn't a connection problem but the issue is likely a bad IPM which is actually the fuse box.



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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



bubbly
User

Feb 24, 2017, 10:30 AM

Post #3 of 6 (267 views)
Re: driver side low beam not working Sign In

If the problem is a bad IPM can the IPM be checked and if so can I do the checking?


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Feb 24, 2017, 10:32 AM

Post #4 of 6 (265 views)
Re: driver side low beam not working Sign In

You can test the circuit and isolate the problem down to the IPM but you can't disassemble or repair the IPM. It has to be replaced.



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



bubbly
User

Feb 24, 2017, 11:09 AM

Post #5 of 6 (259 views)
Re: driver side low beam not working Sign In

Thank you for your guidance. In that the voltage to the bulb socket is only 3 volts can I assume that the problem is not with any components in the IPM but the IPM unit itself which will need to be replaced/


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Feb 24, 2017, 11:16 AM

Post #6 of 6 (257 views)
Re: driver side low beam not working Sign In

There's no difference. Nothing other than a few fuses are replaceable in the IPM. Everything is sealed inside.



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.







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