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Author
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Topic: Lights are dimming
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FloJoe
Gearhead Posts: 518
From: Port Orange, FL, USA
Registered: Dec 2000
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posted 03-31-2002 12:25 PM
   
What does it mean, say when I push my brake pedal and my lights dim (head-lights, dash, ect..), or when I rev it up my light get brighter.?------------------
Joe Fields
68 Fastback 289ci bored .030 over
C-4
"Destiny, chance, fate, fortune- they're all just ways of claiming your successes without claiming your failures."
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zaac
Journeyman Posts: 22
From: Alberta
Registered: Feb 2002
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posted 03-31-2002 01:24 PM
My car does that too. New batt and alt also. I think it may be the volt regulator.
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johnmustang
Gearhead Posts: 4504
From: Vancouver Island , British Columbia , Canada
Registered: Nov 2001
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posted 03-31-2002 01:24 PM
Sounds like a possible bad ground wire,a short or a toasted alternator, also , just for laughs test your battery. JOHN  ------------------
65 2+2 FASTBACK
68 COUPE
87 TAURUS WAGON
98 F150 XLT TRITON V8 4.6, 4 WHEEL DRIVE
Member:Vancouver Island Mustang Association
M&M #1710
MyPhotoPage
MY TRUCK
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FloJoe
Gearhead Posts: 518
From: Port Orange, FL, USA
Registered: Dec 2000
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posted 03-31-2002 04:05 PM
Its has a new alternator, volt reg and battery  ------------------
Joe Fields
68 Fastback 289ci bored .030 over
C-4
"Destiny, chance, fate, fortune- they're all just ways of claiming your successes without claiming your failures."
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dubstar
Gearhead Posts: 423
From: Long Beach, Ca 1966 A-Code Coupe
Registered: Feb 2002
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posted 03-31-2002 04:11 PM
mine has a new alt. new battery, and a new voltage regulator, and my headlights still dim when im not revving it up.------------------
Have You Hugged Your Ford(s) Today?
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bluestreek
Gearhead Posts: 1332
From: Athens,GA
Registered: Jul 2001
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posted 03-31-2002 06:30 PM
Sounds like it is relying on the alternator too heavily.
1. Make sure all battery cable and solenoid connections are correct and tight on each end, and then connect a new heavy 10-12 gauge braided ground strap between the firewall and the bell housing.
2.Then make sure the engine idle speed is correct at idle on a straight shift, and in gear on a automatic. (750-850 rpms)
3. Then make sure the alternator belt is tightened properly. Worked for me on my Pickup. Fixed hard cranking and dimming lights.
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JAAZZY
Gearhead Posts: 745
From: Bay Area, CA
Registered: Apr 2001
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posted 04-01-2002 11:23 AM
When you push your brake the brake lights come on taking amperage from your system. All of your system probably is fine it's just that it can't take that much total load. I have a new car that my headlights dim if I hold own the power window button.
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sigtauenus
Gearhead Posts: 1824
From: Beaufort, SC
Registered: Jun 2000
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posted 04-01-2002 12:48 PM
Mine dim at low rpms too, I think its just the nature of the beast. I've been thinking about putting in relays to the headlights, there's some good internet how-to's on it.
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