Question about 2000 Ford Taurus

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Automatic headlights When in the automatic position, the parking lamps & headlamps are suppose to come on when it gets dark. Recently on the parking lamps are coming on. Do I have a bad relay or something?

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  • fordby Oct 26, 2008

    have no daytime running lights! Thanks anyway

  • alogan25 Mar 01, 2009

    I have the exact same problem. When in the automatic position, the parking lamps will come on but the headlamps don't come on when it gets dark. And my dayrunning lights don't come on. Could it be that the lamps need to be replaced?

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Check ur daytime running lights relay, replace it this should fix it

Posted on Oct 25, 2008

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The headlights on 97 pontiac sunfire have no power to them. It looks like the ignition has been replaced and the security has been tripped. causing car to pull less power, not run right. Any ideas


Yea, take it to a qualified repair shop ! Could be anything , and with out doing some test couldn't make a suggestions .
Headlights/Daytime Running Lights (DRL) Circuit Description
The instrument cluster controls the headlamp systems that include daytime running lamps (DRL). The system allows the headlamps to operate at a reduced intensity when all of the following conditions apply:
• The engine is running.
• The transaxle is not in the PARK position.
• The normal headlamps are not on.
The instrument cluster turns the DRL system on by grounding CKT 592, thereby energizing the DRL relay. This action allows a reduced voltage of 6 volts to flow across the headlamps. If the vehicle has the optional fog lamps, the fog lamp relay will also be energized. The park lamps will turn on and the fog lamps will operate normally. When the headlamp switch is turned to the ON position, the instrument cluster allows normal headlamp operation.
The instrument cluster also has an input from the park brake. If the park brake is in the ON position, the DRL will remain disabled until the park brake is placed in the OFF position. On vehicles with an automatic transaxle, the instrument cluster will disable the DRL until the transaxle has been taken out of the PARK position.

Dec 15, 2016 | 1997 Pontiac Sunfire

1 Answer

99 GMC Sierra headlights & running lights won't work!


Headlights Circuit Description
The headlights are controlled by the body control module (BCM) via the AHL Relay when the headlamp and panel dimmer switch is the AUTO position. When in the AUTO mode, the BCM receives a signal, (voltage) from the ambient light sensor, based on the voltage of the signal of n the sensor the BCM turns the day time running lamp (DRL) lights OFF and the headlights ON. The headlights can also be turned on by placing the headlamp and panel dimmer switch in the head position.
The relay coil is fed by the headlamp and panel dimmer switch or the BCM and the battery B+ buss bar in the underhood bussed electrical center (UBEC). The BCM supplies current to the relay based on the input from the ambient light sensor via CKT 352.
The relay output feeds the LT HDLP and RT HDLP fuses to supply current to the low and high beam lamps on CKT 1340 and CKT 1240. The ground for both the low and high beam lamps is supplied via CKT 524 and CKT 525 to the dimmer switch. The dimmer switch uses CKT 1850 for a ground to G203.
Some circuits are monitored by the BCM, and upon failure may set a DTC.
Park/Side Marker and Tail Lamps
The park/side marker and tail lamps are split between the following 4 fuses:
?€¢
The FR PRK


?€¢
The LR PRK


?€¢
The RR PRK


?€¢
The TRL PRK

These fuses receive voltage from the park lamp relay. When the headlamp and panel dimmer switch is in the auto position, the body control module (BCM) controls the relay by grounding CKT 1080 based on the input of the ambient light sensor. The park LPS fuse supplies battery positive voltage (B+) to the relay at all times.
When the headlamp and panel dimmer switch is in the PARK position, the relay is by passed through the INT PRK fuse. Current flows from the PARK LPS fuse through the headlamp and panel dimmer switch to the INT PRK fuse in order to feed the following fuses:
?€¢
The FR PRK


?€¢
The LR PRK


?€¢
The RR PRK


?€¢
The TRL PRK


Park Lamps Inoperative

Step

Action

Value(s)

Yes

No

1

  1. Turn the ignition OFF.
  2. Connect a scan tool.
  3. Turn the ignition to the ON position.
  4. Using the scan tool, check for any DTCs in the body control module (BCM).

Does the scan tool show any DTCs ?
--
Go to Diagnostic System Check - Body Control System in Body Control System
Go to Step 2

2

  1. Turn the headlamp switch to the park position.
  2. Connect a test lamp from (back probe) terminal B of the headlamp and panel dimmer switch to ground.

Does the test lamp light?
--
Go to Step 4
Go to Step 3

3

Locate and repair the open in CKT 240 (ORN) between the switch and the mid bussed electrical center (MBEC).

Is the repair complete?
--
System OK
--

4

Connect a test lamp from (back probe) terminal A of the headlamp and panel dimmer switch to ground.

Does the test lamp light?
--
Go to Step 6
Go to Step 5

5

Replace the headlamp and panel dimmer switch. Refer to Headlamp Switch Replacement .

Is the repair complete?
--
System OK
--

6

Connect a test lamp from the INT PRK fuse, located in the left bussed electrical center (LBEC), to ground.

Does the test lamp light?
--
Go to Step 7
Go to Step 8

7

Locate and repair the open in CKT 74 (LT BLU) between the MBEC and the UBEC.

Is the repair complete?
--
System OK
--

8

Locate and repair the open in CKT 74 (LT BLU) between the headlamp and the panel dimmer switch and the LBEC.

Is the repair complete?
--
System OK

Aug 11, 2016 | GMC Sierra Cars & Trucks

1 Answer

2000. Where is fuse for tail lights?


Do your headlamps work ?
Park/Marker/License/Tail Lamps
Voltage is applied to the turn/headlamp switch at all times. When the turn/headlamp switch is in the PARK or the HEAD position, voltage is applied to the following components:
?€¢
The park lamps


?€¢
The marker lamps


?€¢
The tail lamps


?€¢
The license lamp

The front marker lamps are grounded through the turn filament of the respective front park/turn lamp. The front marker lamps light as a result.
The automatic lamp control function turns on the park lamps and the headlamps. This action occurs when the ambient light sensor determines that the exterior lamps should be turned ON based on the amount of available light. When the BCM grounds the park lamp relay, voltage is supplied directly to the park lamps, bypassing the turn/headlamp switch assembly. When this action occurs, the following conditions exist:
?€¢
The automatic lamp control relay is grounded.


?€¢
The headlamps turn ON. Refer to Headlights/Daytime Running Lights (DRL) Circuit Description .

The lamps turn OFF when the BCM does not ground the park lamp relay or the automatic lamp control relay. This action is caused by the following conditions:
?€¢
The available light reaches a predetermined level.


?€¢
The ignition switch is turned to the OFF position

Mar 31, 2016 | Pontiac Grand Am Cars & Trucks

1 Answer

The instrument panel cluster,tail (driving) lamps,& license plate lite do not lite. fuses 9,14,20 are ok. what else could be bad or broke?


Check fuse's #19 ,# 6 #4 check grounds 105 & 107
G107 In the left rear of the engine block next to the knock sensor. G105 In the thermostat housing
The park, tail, marker and license lamps are turned on when the headlamp switch is placed in the PARK or ON position or anytime the headlights are requested. The PK LPS fuse in the IP fuse block supplies battery positive voltage to the park lamp relay and the headlamp switch. The body control module (BCM) provides a ground, or control circuit, to the park lamp relay coil circuit during ALC operation. When the park lamps are turned on during ALC, the BCM energizes the park lamp relay. The park lamps can also be supplied battery positive voltage directly from the headlamp switch. Current flow is to the park, tail, marker and license lamps. The front park and marker lamps are grounded at G100 and G101. The rear park, tail, marker and license lamps are grounded at G400 and G401. If the headlight switch is left in the ON position, the park, tail and marker lamps will remain on until turned off or the battery runs dead.
Check the headlamp switch !

Oct 29, 2015 | 2005 GMC Safari Passenger

1 Answer

Why does my 1999 chevy malibu headlights turn on by them self in middle of night


You have a gremlin ! No , just kidding . No it's not the ignition switch ! The headlamps right an left have there own fuse in the under hood fuse box . LH HDLP - RH HDLP . Power direct to the head lamps an they ground through the headlamp switch when placed in high or low beams . Next time they come on wiggle the headlamp switch an see if they go out ! Does your vehicle have auto lights ? Day time running lamps ? The BCM - body control module controls Automatic lamp control !
Battery voltage is applied to the headlamp bulbs at all times. The headlamps are controlled by supplying the ground for the lamps through the turn/headlamp switch assembly or the body control module (BCM). When the turn/headlamp switch is in the ON position, the ground is supplied through CKT 150.
The BCM controls the daytime running lamps (DRL). The system allows the headlamps to operate at a reduced intensity under the following conditions:
?€¢
The engine is running.


?€¢
The transaxle is not in the PARK position.


?€¢
The normal headlamps are turned OFF.

The BCM activates the system by grounding CKT 592. This action energizes the DRL relay. This condition allows a reduced voltage to flow to the headlamps. When the headlamp switch is turned to ON, the headlamps operate normally.
The parking brake provides an input to the BCM. When the parking brake is engaged, the DRL remain disabled until the parking brake is disengaged.

May 30, 2015 | 1999 Chevrolet Malibu

1 Answer

1998 Pontiac Sunfire GT. The passenger bright headlight is out, when I turn the car on the lights flash repeatedly then quit (the daytime running lights do not work other than that). We've tried...


If i were you i wouldn't worry about the second relay too much .because there is only one , the DRL relay !Guessing never fix's automotive electrical problems ! Testing is the name of the game , with the aid of wiring diagrams an reading an understanding how the electrical circuits work . An learning how to diagnose correctly .
Basic Electricity for Service Techs Ohm law Current Flow Opens Shorts

How to Use Multimeter to Troubleshoot Common Problems YouTube
The Trainer 29 Understanding How Electrical CIrcuits Work and How to Test...

The instrument cluster controls the headlamp systems that include daytime running lamps (DRL). The system allows the headlamps to operate at a reduced intensity when all of the following conditions apply:
• The engine is running.
• The transaxle is not in the PARK position.
• The normal headlamps are not on.
The instrument cluster turns the DRL system on by grounding CKT 592, thereby energizing the DRL relay. This action allows a reduced voltage of 6 volts to flow across the headlamps. If the vehicle has the optional fog lamps, the fog lamp relay will also be energized. The park lamps will turn on and the fog lamps will operate normally. When the headlamp switch is turned to the ON position, the instrument cluster allows normal headlamp operation.
The instrument cluster also has an input from the park brake. If the park brake is in the ON position, the DRL will remain disabled until the park brake is placed in the OFF position. On vehicles with an automatic transaxle, the instrument cluster will disable the DRL until the transaxle has been taken out of the PARK position.
Headlamps
A rocker type switch is located on the left side of the instrument panel (IP). The rocker type switch controls the headlamps. One switch position turns on the following lamps:
• The parking lamps
• The side marker lamps
• The taillamps
• The license plate lamp
• The IP lamps
• The interior lamps
The second switch position turns on the headlamps in addition to all of the above lamps.
An IP lamp dimmer control is provided in order to vary the intensity of the IP lamps. Turn the control past the full bright detent in order to turn on the courtesy lamps.
The under hood lamp is designed to turn on under the following conditions:
• When the hood is raised
• When the parking or headlamp switch is on

You probably have a open circuit in the wiring for the passanger high beam .

Your best bet would be to have a qualified repair shop check it out . May have a broken wire somewhere in the wiring harness .


Apr 04, 2017 | 1998 Pontiac Sunfire

1 Answer

Can I program the automatic headlights to always shut off when the ignition is shut off - day or night?


I have a 1997 cadillac deville that has both 'daytime running lamps' when put into gear and 'twilight sentinel' which turns the headlamps and parking lamps on at night, and goes off during the day or when it is bright enough.

There is an adjustable delay for the twilight sentinel to turn the headlights off after the ignition key is removed and it is night time.
---
I had the 'daytime running lamps' installed on a 1990 Cadillac Deville that turns the headlamps only on when the ignition key is switched to on with an aftermarket module. The headlamps are about 70% or so as bright as the regular twiilight sentinel headlamps and parking lights and are designed to go on during the day.

The twilight sentinel overrides this feature when it gets dark outside.

I had the daytime running lamps installed by an auto electric shop that specializes in electrical systems, alarms, stereos, etc.

Does this help?

Jul 10, 2010 | 1998 Buick LeSabre

1 Answer

Headlights do not turn on at the light switch.


manual headlamps

Visual Inspection Chart
Mechanical Electrical
  • Headlamp switch
  • Multifunction switch
  • Central junction box (CJB) fuse:
    • 7 (30A)
    • 30 (15A)
    • 46 (10A)
    • 47 (10A)
  • Circuitry
  • Headlamp bulbs
  • Daytime running lamp (DRL) relay No.1


Autolamps

Visual Inspection Chart Mechanical Electrical
  • Headlamp switch
  • Central junction box (CJB) fuses:
    • 19 (5A)
    • 56 (30A)
  • Circuitry
  • Headlamp bulb
  • Daytime running lamps (DRL) full relay No.1 (if equipped)
  • Vehicle security module
  • Photocell


If autolamp system, Vehicle security module has a headlamp rela inside of it. under left side of dash.

May 26, 2009 | 2002 Ford F250 Super Duty SuperCab

1 Answer

Which fuse controls auto lamp feature in 2002 Ford F350?


Principles of Operation
The autolamp system provides light-sensitive automatic on/off control of the headlamps and parking lamps controlled by the vehicle security module when the headlamp switch is in the autolamps position. When the ignition switch is turned to the RUN or START position with the autolamps feature already enabled and the ambient light level is dark, the vehicle security module will request the headlamps and parking lamps be turned on. When the autolamps are disabled, the vehicle security module will request the headlamps and parking lamps to be turned off, regardless of the ignition switch position. When the vehicle security module has turned on the exterior lamps and the ignition is turned to the OFF or ACCY position, the exterior lamps will remain on for an additional 20 seconds.
When the autolamps have been enabled and the ignition switch is in the RUN/START position, the vehicle security module will request that the exterior lamps be turned on or off based on ambient light level. If the vehicle enters darkness for at least 15 seconds, the vehicle security module will request the exterior lamps on. If the vehicle enters light for at least 15 seconds, the vehicle security module will request the exterior lamps off. By delaying turning on and off the exterior lamps during short periods of darkness and light, the vehicle security module prevents the exterior lamps from flashing on and off.
Inspection and Verification
  1. Verify the customer concern by operating the autolamps.
  1. Visually inspect the following for obvious signs of mechanical and electrical damage.

    Visual Inspection Chart Mechanical Electrical
    • Headlamp switch
    • Central junction box (CJB) fuses:
      • 19 (5A)
      • 56 (30A)
    • Circuitry
    • Headlamp bulb
    • Daytime running lamps (DRL) full relay No.1 (if equipped)
    • Vehicle security module
    • Photocell

  1. If the concern is not visually evident, determine the symptom and proceed to the Symptom Chart.
------------------------------------------
  • The autolamps are inoperative—do not operate correctly
  • Central junction box (CJB) fuse(s):
    • 19 (5A).
    • 56 (30A).
  • Circuitry.
  • Photocell.
  • Headlamp switch.
  • Vehicle security module.
------------------------------------------------------------------
  • The autolamps are inoperative—do not operate correctly
  • Central junction box (CJB) fuse(s):
    • 19 (5A).
    • 56 (30A).
  • Circuitry.
  • Photocell.
  • Headlamp switch.
  • Vehicle security module.
please rate if if this helps.

Apr 29, 2009 | 2002 Ford F350 Super Duty DRW Reg. Cab

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