Question about 2003 Ford Ranger Regular Cab

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I have no daytime running lights or highbeams on my 2003 Ford Ran

I have checked the fuses, changed sensor on the left side of the rad support. What do I do next ? or Do you know what the problem could be caused by?
Thanks, Don

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If you mean the headlights and the little yellow lights in front, then you need to take it in and have the bulbs replaced. Its not a sensor, its not a fuse. I had the same problem. You could try to replace them yourself, but its a pain. Good luck.

Posted on Jan 13, 2009

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2003 Chev Malibu. Radio inop with key in on position, auto systems not working, I.e. daytime running lamps, auto lock and drivers unlock, fuel and temp gauges not working.


Have you had vehicle check for DTC'S diagnostic trouble codes . Check fuse's an relays , find wiring diagrams to see what controls these systems ?
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An there is one on the other end of the instrument panel ,driver side .
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Daytime Running Lamps (DRL)
The ambient light sensor is a light sensitive transistor that varies its voltage signal to the body control module (BCM) in response to changes to the outside (ambient) light level. When the BCM receives this signal it will either turn on the daytime running lights (DRL) or the headlights. Any function or condition that turns on the headlights will cancel the daytime running lamps operation. With the headlight switch in the OFF position, the headlights will either be turned ON or OFF, after an approximate 30 second delay depending on whether daylight or low light conditions are sensed. The HTR A/C IGN fuse in the underhood junction block supplies ignition positive voltage to the daytime running lamp (DRL) relay coil circuit. The DRL relay switch contacts are connected to the low beam circuit. When the headlamp switch is placed in the OFF position, the BCM will either turn on or off the daytime running lamps, depending on whether daylight or low light conditions are sensed. The BCM energizes the DRL relay, closing the switch contacts and grounding the low beam circuit. Ground is provided at G101. The DRL illuminate the low beam headlights at a reduced intensity. The DRL will operate when the ignition switch is in the ON position, the gear selector is not in the PARK position and the parking brake is released. When these conditions have been met and the ambient light sensor indicates daytime conditions, the DRL will illuminate.
DRL operation in Manual Transmission equipped vehicles will occur when the ignition switch is in the ON position, and the parking brake is released. - check fuse's an relay first.
Door Lock System Components
The power door lock system consists of the following components:
?€¢
Driver door lock switch


?€¢
Front Passenger door lock switch


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Body Control Module (BCM)


?€¢
Relays: Driver Door Unlock--if equipped, Door Unlock, and Door Lock


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Door Lock fuse 15A


May 25, 2016 | Cars & Trucks

1 Answer

I need clarification on 2003 Chev Malibu DRL problems:


That piece you think is a ceramic DRL module is a resistor , When in DRL mode voltage to the low beam headlamps circuit goes through that resistor dimming the headlamps from low beam to daytime running lamps . It sounds to me like you need a new resistor ,but without doing some electrical testing it could be a lot of things . The DRL relay in the under hood fuse box could have a problem , could be the BCM - body control module , the ambient light sensor etc... Here is how daytime running lamps work .
Daytime Running Lamps (DRL)
The ambient light sensor is a light sensitive transistor that varies its voltage signal to the body control module (BCM) in response to changes to the outside (ambient) light level. When the BCM receives this signal it will either turn on the daytime running lights (DRL) or the headlights. Any function or condition that turns on the headlights will cancel the daytime running lamps operation. With the headlight switch in the OFF position, the headlights will either be turned ON or OFF, after an approximate 30 second delay depending on whether daylight or low light conditions are sensed. The HTR A/C IGN fuse in the underhood junction block supplies ignition positive voltage to the daytime running lamp (DRL) relay coil circuit. The DRL relay switch contacts are connected to the low beam circuit. When the headlamp switch is placed in the OFF position, the BCM will either turn on or off the daytime running lamps, depending on whether daylight or low light conditions are sensed. The BCM energizes the DRL relay, closing the switch contacts and grounding the low beam circuit. Ground is provided at G101. The DRL illuminate the low beam headlights at a reduced intensity. The DRL will operate when the ignition switch is in the ON position, the gear selector is not in the PARK position and the parking brake is released. When these conditions have been met and the ambient light sensor indicates daytime conditions, the DRL will illuminate.

Feb 25, 2016 | Cars & Trucks

1 Answer

How to fix daytime running lights


this sounds like the DTRL module is bad and needs replacing. the fog lights the bulbs them self could be burnt out or the switch for the lights has a problem.

Sep 04, 2014 | 2003 Ford Windstar

1 Answer

Passengerside headlight highbeam not working


DAYTIME RUNNING LIGHT MODULES CAUSE A PROBLEM LIKE THAT

Mar 09, 2012 | 2003 Ford Excursion

1 Answer

When I have turned the ignition off my highbeams have remained on.


sounds like you need a new daytime running light module the daytime running light's uses the high beams so when the module fails the head lights stay on

Jan 27, 2011 | 1998 Ford Explorer

1 Answer

Where is the headlight relay on a ford festiva


OK, you're looking at a switch or a relay because although the drl's work, that's a different circuit that's added on after the regular headlights and high beams.

Also, check your fuses and wiring for a problem there.

Jul 26, 2010 | 1990 Ford Festiva

2 Answers

FUSE BOX DETAILS


left to right...
1. empty
2. e flashers
3.horn, brake lights
4.clock, trunk light, inside light, radio
5. rad. cooling fan relay (AC only)
6. right side running lights
7. left side running lights
8. right high beam and indicator
9. left high beam and indicator
10. right low beam
11. left low beam
12. reverse,turn signal and inst panel
13. main and transfer fuel pumps, auxiliary air reg., ox sensor heater
14. license plate and glove box light
15. wipers
16. rear defogger
17. heater blower (no AC)
18. cig lighter
19. rad cooling fan (no AC)
20. Heater blower (AC)
21. rad cooling fan (AC only)
22. empty
23. Ox sensor, idle stabilizer,seat belt warning relay, (Digifant only, control unit, idle boost control, idle boost valve)
24. inst panel lights, heater control lights
25. reading lamps
26. empty
27. empty
28. empty

Hope this helps...;-)

Apr 17, 2009 | 1992 Volkswagen Fox

1 Answer

Headlights alternate on and off left and right daytime/high beam


although the underhood relay panel is common, I'd check your headlamp bulbs first, these are cheaper than the fuse box. The daytime running lights work off the high beam circuit, thus, a blown highbeam bulb could be the culprit, the fusebox solution was more common on 2001 and up modles, although it's a definite possibility.

Feb 18, 2009 | 2000 Dodge Caravan

1 Answer

Daytime safty lights


Sounds like the bulbs need replacement. The high beams are separate from the low beam/daytime running lights.

May 18, 2008 | 1990 Buick Century

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