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  #1  
Old 02-28-2011, 06:33 PM
fordboi76 fordboi76 is offline
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Default Head lights turn on and off

i have a 93 ranger and my headlights will come on then after truck warms up they start turning off an back on by them selves. put 2 new sets of bulbs in an still do same thing. HELP!!!
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93 ranger 3.0l xlt 4x4
2 inch leveling, 31inch all terrain, flowtech cat back exhaust 4inch semi tip, custom cold air intake, built 95 roller 3.0l; port polish, rv cam, rebuilt heads, polished intake, smoked rear lights crystal front lights, camo wrap along rocker pannel, air horn, locked full time front and rear
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Old 02-28-2011, 06:44 PM
rwenzing rwenzing is offline
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Default Re: Head lights turn on and off

Your 93 Ranger has circuit breakers in the headlight circuits that will open if there is too much current flow and then reset when they cool and that is what sets up the on/off/on pattern - you need to find out why the circuits are drawing too much. Possible problems: higher wattage aftermarket bulbs in the headlights or auxiliary fog / driving lights added to the headlight circuits.
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Old 02-28-2011, 06:56 PM
fordboi76 fordboi76 is offline
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Default Re: Head lights turn on and off

i do have aftermarket headlights in it. xenon all stars i think is what there called. before that i had hella bulbs an they were really bad. So how do i go about checking the circuit?
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93 ranger 3.0l xlt 4x4
2 inch leveling, 31inch all terrain, flowtech cat back exhaust 4inch semi tip, custom cold air intake, built 95 roller 3.0l; port polish, rv cam, rebuilt heads, polished intake, smoked rear lights crystal front lights, camo wrap along rocker pannel, air horn, locked full time front and rear
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Old 02-28-2011, 09:31 PM
rwenzing rwenzing is offline
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Default Re: Head lights turn on and off

The factory bulb is 65W high and 55W low. If the rated wattage of your aftermarket bulb is higher, that's probably what's wrong.
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2003 FX4 Level II, Supercharged 5.0L V8, Headers, Duals
BW4406 manual transfer case, Aussie Locker, Torsen L/S, 4.10's
Bilstein 7100 rezzies, Cadillac/Mustang rear discs, Duff traction bars
Keypad Entry, Lock LEDs, ABS switch, sway bar discos
Heated seats, Explorer EATC, Trip Computer and consoles

2003 XLT 2.3L M5OD-R1 reg cab, 2011 Taurus SEL, 2016 C-MAX Energi Plug-in Hybrid
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Old 03-04-2011, 12:36 PM
fordboi76 fordboi76 is offline
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Default Re: Head lights turn on and off

I checked the bulb wattage and they are factory 65W an 55W. Do you have any other ideas? Thanks
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93 ranger 3.0l xlt 4x4
2 inch leveling, 31inch all terrain, flowtech cat back exhaust 4inch semi tip, custom cold air intake, built 95 roller 3.0l; port polish, rv cam, rebuilt heads, polished intake, smoked rear lights crystal front lights, camo wrap along rocker pannel, air horn, locked full time front and rear
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  #6  
Old 03-05-2011, 10:12 PM
Doctor Wily Doctor Wily is offline
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Default Re: Head lights turn on and off

certainly sounds like something is drawing too much current. do you have any after market lights or anything like that?
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