Headlights Dim ?

bigdog · 02-11-2024, 11:16 PM

Quote:

Originally Posted by The Real BigGuy

If both lights dimmed at the same time it points to an electrical issue. The chances of two bulbs going bad at the exact same time is extremely remote. When I had the issue 15 - 20 yrs ago it was something to do with alternator circuitry

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If I recall, he last time I had AAA come to jump-start my vehicle,
they indicated that the Alternator was working OK, and that battery was the problem. The tool they used to perform this check looked like a battery pack ?

Is this the same type of system check they do in a shop ?
I suspect the shop used more sophisticated equipment ?

Another thought, could this be a fuse related issue, not getting proper ground?

Thoughts ?

Resident 2B · 02-11-2024, 11:40 PM

Halogen bulbs dim over time, so I suspect it is the bulbs. I have a 2011 SUV and I just replaced my dimming bulbs with LEDs. Wow, what a difference. I have a battery and charging system checking device and all tested OK.

I hope this helps.

R2B

VitaBene · 02-13-2024, 09:53 AM

Are you reading 13.8 VDC or so when running?

VitaBene · 02-13-2024, 09:57 AM

Quote:

Originally Posted by bigdog

If I recall, he last time I had AAA come to jump-start my vehicle,
they indicated that the Alternator was working OK, and that battery was the problem. The tool they used to perform this check looked like a battery pack ?

Is this the same type of system check they do in a shop ?
I suspect the shop used more sophisticated equipment ?

Another thought, could this be a fuse related issue, not getting proper ground?

Thoughts ?

They likely load tested the battery but I wonder if they tested the alternator output as well. a new battery can mask an alternator problem.

KPW · 02-20-2024, 09:29 PM

Are the lens clear?

bigdog · 02-21-2024, 10:54 PM

Quote:

Originally Posted by KPW

Are the lens clear?

Both Lens appear to be clear !

retired · 02-22-2024, 01:07 PM

I would take it to Neil's Laconia Auto on south main street, Laconia. He will be able to diagnose the problem and fix it.

songkrai · 02-28-2024, 10:53 PM

Well.
What was the solution ?

bigdog · 03-01-2024, 08:20 PM

Haven't taken to repair shop yet. Will report back after that review.

02-20-2024, 09:29 PM	#5
KPW Senior Member Join Date: Apr 2004 Posts: 404 Thanks: 742 Thanked 118 Times in 59 Posts	Lens Are the lens clear?

02-22-2024, 01:07 PM	#7
retired Senior Member Join Date: May 2020 Location: Belmont, NH Posts: 248 Thanks: 3 Thanked 94 Times in 57 Posts	Mechanic I would take it to Neil's Laconia Auto on south main street, Laconia. He will be able to diagnose the problem and fix it.

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02-11-2024, 11:40 PM	#2
Resident 2B Senior Member Join Date: Apr 2004 Location: North Shore, MA Posts: 1,358 Thanks: 998 Thanked 314 Times in 164 Posts	Halogen bulbs dim over time, so I suspect it is the bulbs. I have a 2011 SUV and I just replaced my dimming bulbs with LEDs. Wow, what a difference. I have a battery and charging system checking device and all tested OK. I hope this helps. R2B

The Following 2 Users Say Thank You to Resident 2B For This Useful Post:
bigdog (02-12-2024), fatlazyless (02-16-2024)

02-13-2024, 09:53 AM	#3
VitaBene Senior Member Join Date: Jul 2007 Location: Moultonborough Posts: 3,648 Thanks: 1,747 Thanked 1,665 Times in 862 Posts	Are you reading 13.8 VDC or so when running?

The Following User Says Thank You to bigdog For This Useful Post:
KPW (02-24-2024)

02-28-2024, 10:53 PM	#8
songkrai Senior Member Join Date: Dec 2009 Posts: 743 Thanks: 35 Thanked 150 Times in 102 Posts	Well. What was the solution ?

The Following User Says Thank You to songkrai For This Useful Post:
VitaBene (02-29-2024)

03-01-2024, 08:20 PM	#9
bigdog Senior Member Join Date: Apr 2006 Location: Central MA-Gilford Posts: 1,468 Thanks: 373 Thanked 126 Times in 100 Posts	Haven't taken to repair shop yet. Will report back after that review.