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Old December 11th, 2008, 08:57 PM
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John Brancato
Join Date: Dec 2008
Location: ny
Posts: 67
All lights seem dim

All my lights seem to be dim (headlights, instrument cluster...but the turn signals seem brighter than ever). I don't think its the battery because the car turns right over. For a big V8, i imagine it needs a lot of juice anyway.
Could it be my alternator? How could i check?
Thanks again.

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Old December 12th, 2008, 08:58 AM
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Charles Galpin
'94 D90 ST, '63 SeriesIIA
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Location: South Riding, VA
Posts: 11,538
Congrats on your new truck John!

The instrument cluster lights are going to be dim - they all are. And very likely the headlights are going to be dimmer than you'd expect, but it's a bit subjective. You could make sure you have good grounds (you can run a tempory ground to the bulb and see if it gets brighter as a test).

If you search the forums you'll see people have upgraded headlights in various ways, the cheapest is just trying a new set (standard type).


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Old December 12th, 2008, 09:01 AM
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S. Smith
72 Series III 109 Diesel
Join Date: Jun 2007
Location: Under my truck!
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You could just be getting old!
72 Series III 109 SW Diesel, 03 RR, 98 Porsche 986, 01 Porsche 986 3.6 L
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Old December 12th, 2008, 11:37 AM
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Uncle Douglas
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Doug Crowther
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Location: Gods Country- Central Virginia
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You may want to try replacing bulbs as they dim with age. Try something simple like a headlight bulb and see if a new one is dramatically brighter.
Good judgement comes from experience,experience comes from bad judgement.

Dividing Creek Imports
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Old December 12th, 2008, 11:38 AM
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1966 S2a 88" | 2006 LR3
Join Date: Nov 2004
Location: Caldwell, NJ
Posts: 1,050
I think its probably a ground issue going up to the gauge lights... the indicator lights all work very brightly... and the clock/lighter light looks pretty decent as well.
1966 Series IIa "Olive"
2001 Discovery II
2006 LR3 HSE7

Past: 1994 Defender 90 #416, 2001 Discovery II
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Old December 12th, 2008, 01:12 PM
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robert hall
95 d-90sw
Join Date: May 2008
Location: anchorage, ak
Posts: 76
i just went through the same thing with my defender that i just got this summer. i replaced the headlights with hella e-codes of the same wattage without upgrading the wiring harness and just doing that made a huge difference in the brightness of the low beam headlamps. one tip, when you reconnect the wiring to the headlamp clean the connectors and then use dielectric grease, it will help avoid trouble later. when i get around to it i plan on just replacing the bulbs on the instrument cluster possibly with led bulbs. to do that appears to require disconnecting the speedometer so i have been putting that off.
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Old December 12th, 2008, 02:17 PM
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Jeff Briggs
Antarctic Blue Super Sports Wagon
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Location: Auburn CA
Posts: 12,182
Im guessing its your switch. Get a new switch and then run the headlights of They are know to burn out from time to time. Run the healights off of relays.

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