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Hii am searching a wiring diagram plan for head lamp control switch to front of headlight for proton saga1992

Proton saga 1992 i need the the wiring diagram circuit start from control switch low and full light till to the front of headlamp with colour wirng

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1992 toyota cam ry electrical wiring diagram - Autoshop 101

www.autoshop101.com/forms/92camry.pdf

Posted on Dec 12, 2014

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Posted on Jan 02, 2017

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My brake lights dont work most of the time, they illuminate when it wants to, intermittently, i have a 2004 Buick rainier, also my headlights work fine during the day, but at night when they want to.


Do you know anything about automotive electrical circuit testing ? Using voltage drop testing to find which part of the circuit has the problem , Voltage or ground side ? There is no common problem with both of these systems. After looking at a wiring diagram ,they have different grounds an B+ voltage supply's .
The STOP fuse in the engine wiring harness junction block supplies battery positive voltage to the normally open stop lamp switch. When the driver presses the brake pedal, the switch contacts close and battery positive voltage is supplied to both the VEHICLE STOP fuse and the VEHICLE CHMSL fuse. The current flow is now to the stop lamps which are grounded at G401 and G402. The center high mounted stop lamp (CHMSL) is grounded at G401.
For trailer wiring, a separate stop lamp circuit is connected through the GMSF to the trailer wiring harness.

Headlamps
The headlamp driver module (HDM) is an electronic module that provides electrical power to the vehicle low beam headlamps. The HDM is controlled by a pulse width modulated (PWM) ground signal from the body control module (BCM). The BCM determines the desired lamp intensity using the ambient light sensor, multifunction switch and the park brake switch as inputs. In general, the HDM will operate in 1 of 3 modes:
• Reduced Intensity Mode: This mode is used by features that do not require or allow maximum low beam headlamp intensity such as daytime running lights (DRL) (nominal: 85% duty cycle).
• Full Intensity Mode: This mode is used by features that require full low beam headlamp intensity such as low beam headlamp operation in manual or auto modes (nominal: 100% duty cycle).
• Off Mode: This is the default mode of the system that will occur when none of the features described above are active. The BCM will deactivate its PWM output (0% duty cycle) during this mode.

DTC B2575
When the BCM receives a ground signal from the headlamp switch requesting the low beam headlamps, the BCM will energize the HDM low beam relay by grounding the low beam relay control circuit.
For the brake light problem ,without testing , i would say there is a ground problem . Voltage drop testing the circuit would show what is wrong.


Mastering Voltage Drop Testing with Pete Meier and Jerry Truglia
Basic Electricity for Service Techs Ohm law Current Flow Opens Shorts
How to Use Multimeter to Troubleshoot Common Problems

Do you know what a wiring diagram is ? You need to look at one to see which wires to test . Free wiring diagrams here http://www.bbbind.com/free_tsb.html Enter vehicle info. year,make , model ,engine ! Under system click on lighting ,under subsystem click on exterior lighting . Click the search button ,then the blue links ! The fourth one down is the brake lights . You see the fuse's for the brake lights in the rear fuse box ? Do you know where that is located ? Fuse Block - Rear
Beneath the left rear seat.
Know as for your headlamps , probably the headlamp driver module is bad ! The headlamp switch is a input to the BCM - body control module . Hooking up a factory scan tool to view DTC'S - diagnostic trouble codes , an view input data to the BCM . To see if it is getting the signal to turn on the headlamps an see if it send PWM signal to the HDM .
Your best bet ,take it to the dealer .


Jun 29, 2017 | Buick Cars & Trucks

1 Answer

I HAVE NO HEAD LIGHTS i HAVE A 2000 Grand am I have parking lights and tail lights


No headlamps , low or high beam ? Does it have DRL - daytime running lights an automatic headlamp control ? Have you check the headlamp fuse's in the under hood fuse box ? Do you know how to do basic electrical testing ? There are videos on you tube , also google automotive electrical testing . Find free wiring diagrams at http://bbbind.com/free_tsb.html , get yourself a DVOM - digital volt ohm meter . Without testing the headlamp electrical circuit It would be any ones guess . Could have a bad headlamp switch , a bad dimmer switch , electrical wiring problem , a problem in the power distribution box etc...

Nov 13, 2016 | Pontiac Grand Am Cars & Trucks

1 Answer

Location of the headlight relay.


Has no headlight relay ! your headlamps not working ? high or low ? You have a headlamp switch an a dimmer switch for low or high beams ! The main light switch should have battery + voltage all the time .You can go to http://bbbind.com/free_tsb.html free wiring diagrams ! Shows fuse's , connectors an wires at main light switch an dimmer switch ! Suggest you go on youtube an watch a few videos on electrical circuit testing an how to read a wiring diagram ! Pull the main light switch out of the dash an test for B+ voltage an test at the dimmer switch too. Test the whole circuit !

Aug 14, 2016 | 1995 Ford Taurus

1 Answer

Headlights stay on when engine and light switch are off


You need to look at a wiring diagram to see what controls the head lamps ! Could be a relay's contacts are stuck shut causing lamps to stay on or could have a LCM - lighting control module shorted internally . The head lamp switch could be the problem . Do you know how to read a wiring diagram ? Do you know how to do basic automotive electrical testing ? You can check out such videos on you tube > Go http://www.bbbind.com/free_tsb.html for free wiring diagrams .

Mar 17, 2016 | Cars & Trucks

1 Answer

No low beam. Good high beam. No day lights. What's wrong?


No on the fuse . The LH HDLP and RH HDLP fuse in the fuse block - under hood, supply battery positive voltage to both low and high beam lamps at all times. For manual operation, when the headlamp switch is in the ON position, the headlamp switch supplies ground directly to the headlamps and to the body control module (BCM) on the headlamp low or high beam signal circuit, depending on the position of the headlamp dimmer switch. The BCM uses this signal to determine if the conditions are present to illuminate the daytime running lamps or park lamps.
The headlamps may be turned on 2 different ways. First, when the driver places the headlamp switch in the ON position, for manual operation. Second, with the headlamp switch placed in the OFF position activating automatic lamp control (ALC).For ALC operation, the BCM receives a signal from the ambient light sensor indicating a low or high ambient, outside, light level. Under low light conditions the BCM grounds the headlamp relay control circuit energizing the headlamp control relay. The now closed relay supplies ground through the headlamp switch to the headlamps and the BCM on the headlamp low or high beam signal circuit, depending on the position of the headlamp dimmer switch. When the BCM grounds the headlamp relay control circuit it also grounds the park lamp relay control circuit illuminating the park lamps. The headlamp relay is grounded at G203.
Daytime Running Lamps (DRL)
The low beam headlamps operate at reduced intensity when in daytime running lamps (DRL) mode. The ground circuit to the switch side of the DRL relay has a resistor in-line to reduce the intensity of the low beam headlamps for DRL operation. The body control module (BCM) receives a signal from the ambient light sensor indicating a low or high ambient, outside, light level. Under daylight conditions the BCM grounds the DRL relay control circuit energizing the DRL control relay. The now closed relay supplies ground directly to the low beam headlamps and to the BCM on the headlamp low beam signal circuit. The low beam headlamps now illuminate with reduced intensity. The DRL relay is grounded at G203. Any time the headlamps are illuminated the DRL will not illuminate. Manual park lamps do not effect DRL operation.

Feb 23, 2016 | 2005 Chevrolet Equinox LS

2 Answers

How to fix headlights they wont come on at all and the switch/button wont light up as light indicator


Sorry Shannon but this is something best left to an automotive electrical repair shop. This is very complex with lighting control module controlling the lights . But if you want to try ,I suggest you go to youtube an check out some videos on basic electrical trouble shooting , how to read wiring diagrams , voltage drop testing . Then buy a DVOM - digital volt ohm meter . Go to http://bbbind.com/free_tsb.html , You can get free wiring diagrams there.

Feb 08, 2016 | 1991 Buick Park Avenue

1 Answer

I have no headlights, taillights, cluster lights and speedometer has stop working?


Have you checked applicable fuses for everything except head lamps? The headlamps themselves don't use a fuse. Check the battery junction block under the hood, one of your positive battery cables should go to junction block. If several fusible links check them. My info shows red wire carries battery voltage to head lamp switch for headlamps. The headlamp switch has two voltage circuits, mainly, one for the head lamps, for the other lamps that the switch controls, those smaller lamps are fuse protected.

Dec 02, 2015 | GMC Sierra 1500 Cars & Trucks

1 Answer

2006 buick allure , automatic low beams do not come on when key starts car


Headlamps
You can use the headlamps two different ways.
?€¢
Place the headlamp switch in the HEAD position for normal operations


?€¢
Place the headlamp switch in the OFF position for automatic lamp control (ALC) operation. During ALC the low beam headlamps are ON for daytime running lamp (DRL) operation in daylight conditions at reduced intensity or low beam headlamps ON at full intensity with exterior park lamps ON in low light conditions. The ambient light sensor is a light-sensitive transistor that varies its voltage signal to the body control module (BCM) in response to changes in the outside (ambient) light level. When the BCM receives this signal the BCM turns ON just the low beam headlamps at reduced intensity for the daytime running lamp (DRL) operation. A resistor wire is used (CKT312) to reduced the voltage which reduces the light intensity for the DRL's function. The ambient light sensor can also turn ON the low beam headlamps and the exterior lamps for automatic lamp control (ALC). Any function or condition that turns ON the headlamps will cancel the DRL operation (this means no reduced voltage to the low beam lights). Thirty seconds after you start the engine with the headlamp switch in the OFF position, the DRL will perform one of two actions:
?€¢
Illuminate the low beam headlamps at reduced intensity in daylight conditions


?€¢
Illuminate the low beam headlamps and exterior park lamps for low light conditions

The DRL operates when the ignition switch is in the RUN position, the parking brake is not set and the transmission is not in the PARK position When these conditions are met and the DRL ambient light sensor indicates daylight conditions the DRL will illuminate
Should have BCM scanned for DTC'S - diagnostic trouble codes , could have DTC'S stored in memory !
DTC B2645 Ambient Light Circuit
The body control module (BCM) monitors the ambient light sensor signal circuit in order to determine if the daytime running lights (DRL) or the auto headlights (ALC) should be turned ON in the AUTO mode. When the BCM senses the ambient light sensor voltage is between 1.75-4.9 volts, either the DRL will be commanded ON or the ALC will be commanded ON.

  1. Turn ON the headlamps.
  2. Ensure that the headlamp dimmer switch is in the LOW position.
Do both low beam headlamps illuminate?
Is only one low beam headlamp inoperative? YES / NO
IF no
  1. Disconnect the lamps switch assembly.
  2. Install a jumper between the headlamp switch headlamps ON signal circuit and ground.
Do the low beam headlamps illuminate?
Do the low beam headlamps illuminate?
Go to Step 18
Go to Step 7

7

  1. Remove the headlamp module.
  2. Install a fused jumper between battery positive voltage and the switched low beam voltage supply circuit.
Do the low beam headlamps illuminate?
Go to Step 8
Go to Step 11

8

Test for the following in the headlamp module control circuit:
?€¢
An open


?€¢
A poor connection


?€¢
A short to ground

Refer to Circuit Testing and Wiring Repairs .
Did you find and correct the condition?
Go to Step 19
Go to Step 10

9

Inspect for a poor connection at the harness connector of the lamp switch assembly. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .
Did you find and correct the condition?
Go to Step 19
Go to Step 14

10

Inspect for a poor connection at the headlamp module. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .
Did you find and correct the condition?
Go to Step 19
Go to Step 15

11

Test for a short to ground in the low beam voltage supply circuit. Refer to Circuit Testing and Wiring Repairs .
Did you find and correct the condition?
Go to Step 19
Go to Step 12

12

Inspect for a poor connection at the harness connector of the underhood fuse block. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .
Did you find and correct the condition?
Go to Step 19
Go to Step 17

13

Inspect the inoperative low beam headlamp voltage supply and ground circuit for a high resistance, a short to ground, or an open. Refer to Circuit Testing and Wiring Repairs .
Did you find and correct the condition?
Go to Step 19
Go to Step 16

14

Replace the lamp switch assembly. Refer to Headlamp Switch Replacement .
Did you complete the replacement?
Go to Step 19
--

15

Replace the headlamp module. Refer to Relay Replacement in Wiring Systems.
Did you complete the replacement?
Go to Step 19
--

16

Replace the inoperative low beam headlamp. Refer to Headlamp Assembly or Headlamp Bulb Replacement .
Did you complete the replacement?
Go to Step 19
--

17

Replace the underhood fuse block. Refer to Testing for Intermittent Conditions and Poor Connections .
Did you complete the replacement?
Go to Step 19
--

18

Replace the BCM. Refer to Control Module References for replacement, setup, and programming.
Did you complete the replacement?
Go to Step 19
--

19

Operate the system in order to verify the repair.
Did you correct the condition?
System OK
Go to Step 3

IF

Sep 30, 2015 | Buick Cars & Trucks

1 Answer

Need wiring schematics for headlights on my 1992 ford explorer


The head light switch goes open circut most times on high beam . Two options to fix replace switch, or wire in a duel head light relay. I have used the second option in our shop many times.

Feb 25, 2015 | 1992 Ford Explorer

2 Answers

I have a 1994 geo metro. The headlights went out. I checked the fuses. They were ok. The ground wire in the under dash fuse box looked discolored. I made a ground and the left side head light came on...


On these cars the headlights get power from a right and left fuse and the headlight / dimmer switches provide the ground circuit. Both headlights are connected to one ground wire for high and one for low beam. So if one works and the other does not, the problem should be in the wiring before the headlight switch. Red is for high beam and red-white is for low beam. You should be able to jumper the red-white wire on the right headlight and make the low beam circuit for both sides work to test it.

Jan 22, 2014 | Geo Cars & Trucks

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