Question about 2001 Chevrolet Prizm

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My drl switch is bad iv'e concluded... but now i have no headlights high or low. is this a blown fuse from lack of drl switch replacement or what. i still have my parking lights but no headlights

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  • Master
  • 605 Answers

Hi,
Likely the Headlights work through the DRL switch, too. Replace the switch (get a used one from a used parts/salvage/wrecking yard) or from a dealer...might call an auto parts store, too.

GL,
Td

Posted on Oct 18, 2012

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5 Suggested Answers

Chuck Bamforth

  • 205 Answers

SOURCE: headlights won't work Chevy K-10 Pickup

With electrical problems I always look for a bad ground wire, especially on older vehicles. Look for any wire that goes to an inner fender or the engine, there maybe a faulty relay in the circuit too. good luck, Chuck

Posted on Mar 17, 2009

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Anonymous

  • 1 Answer

SOURCE: headlights wont come on, but parking lights work...i dont get it

Was sent in by another poster, just posting his results which fixed mine. Problem was relay $50.00 at GM only.

Check the relay module. 45 or 46. on the engine relay block. you can swap the two they are the same part number, then you will know. Dont start the engine, just check the lights. If it works replace the relay module. You may have to order the part from the parts store. Or go to the dealer to get it.

Posted on Mar 25, 2009

GM Elec

Bruce Bracey

  • 1000 Answers

SOURCE: 1996 chevy s10 headlights will not burn on high or low beam .

I would take a look at your headlight dimmer switch. The dimmer switch works independent of the DRL system.
Below is the wiring diagram for you vehicle.
Good luck and let me know.
Regards,

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Posted on Apr 06, 2009

kirtec auto

  • 1348 Answers

SOURCE: 2005 trailblazer headlights go off ocasionally

the click you are talking about is the high beam relay.
you nedd to get a tester or voltmeter and check the sockets for 12v.
there has been instances where both low beam bulbs went at once.
do the daytime running lights work?
if not,supect the daytime module...it is also wired into the parking brake.
if you put the park brake on first,then start the vehicle,the dtr do not come on

Posted on May 13, 2009

louisfowler_

  • 1244 Answers

SOURCE: 99 chevy 1500 with DRL feature; headlights won't

change the headlight switch!! itself its broken inside the unner contacts

Posted on Jan 17, 2010

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1 Answer

The drl indicator on dash board is on and both the drl and high beans are not working. is this blown bulbs or blown fuses


Most likely switch, but check fuses first. If they blow again, you have bad short in most likely wires to headlight. Could also be Diming switch relay. Or connections from and to it.

Mar 08, 2015 | 2010 Honda Accord LX

2 Answers

Daytime running lights not working


Assuming this is an LX, check 7.5A fuses 9 and 5 in the driver's underdash fuse/relay box. Fuse 9 applies power to the DRL indicator light in the gauge assembly which connects to the DRL control unit. Fuse 5 supplies power to the DRL control unit when the ignition is on. Also check 100A fuse 41 in the underhood fuse/relay box which supplies power to the headlight relays. Setting the headlight switch to HEAD causes the headlight relays to close and apply power through 20A fuses 45 and 43 in the underhood fuse/relay box to the low beams. Low beam power also passes through the DRL diode to close the high beam cut relay and prevent high beam use during DRL operation.

Sep 23, 2012 | 2002 Honda Accord

2 Answers

1999 Chrysler T&C Limited - Driving lights/Fog Lights


The fuses that protect your headlamp circuits are Fuse Numbers [4] (Left High Beam), [5] (Right High Beam) [6] (Left Low Beam) and [7] (Right Low Beam).
Fuse 4 is a 10 Amp fuse
Fuse 5 is a 10 Amp fuse
Fuse 6 is a 20 Amp fuse
Fuse 7 is a 15 Amp fuse
All are located in the Power Distribution Center in the engine compartment.

The difference between a 1999 Chrysler Town & Country with DRL and WITHOUT DRL is that one has a DRL module and the other does not. The headlmps themselves are wired exactly the same.

To make yours work, you would have to add the DRL module and reprogram your Body Control Module (BCM) to accept the DRL module. Doing it any other way would probably result in the BCM setting fault codes and possibly even causing malfunctions in other non-headlamp-related circuits.

Apr 22, 2012 | 1999 Chrysler Town & Country

1 Answer

2003 sunfire ..... low beams were working one minute ,shut off car for two minutes got back in car started it ,now i have no low beams or fogs.i checked bulbs and fuses both are good , could it be the DRL...


Headlamps
The headlamps are operated when the driver places the headlamp switch in the HEADLAMP position. The LT HDLP and RT HDLP fuse in the IP fuse block, supply battery positive voltage to both the left and right headlamps. The low beam and high beam circuits continue to the headlamp switch. Depending on the position of the dimmer switch, either the low or high beam circuit will now have a path to ground. Ground is provided at G204. The low beam and high beam circuits also provide the body control module (BCM) with both low and high beam inputs. The headlamp switch includes the dimmer and the flash-to-pass switch.
If the headlight switch is left in the HEADLAMP position, the headlights will remain on until turned off or the battery runs dead.
Daytime Running Lamps (DRL)
Any function that turns on the headlights will cancel the daytime running lamps operation. The LT HDLP fuse in the IP fuse block supplies battery 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 turn on the daytime running lamps. The BCM energizes the DRL relay, closing the switch contacts and grounding the low beam circuit at G204. The DRL illuminate the low beam headlights at a reduced intensity. The DRL will operate when the ignition switch is in the RUN position, the gear selector is not in the PARK position and the parking brake is released. When these conditions have been met the DRL will illuminate.
DRL operation in Manual Transmission equipped vehicles will occur when the ignition switch is in the RUN position, and the parking brake is released.

Probably the dimmer switch . But without testing that would be just a guess . Turnning the headlamps on Any function that turns on the headlights will cancel the daytime running lamps operation..
No ,don't think the DRL relay has anything to do with it .

View wiring diagrams an testing the electrical circuits at the dimmer switch would be the proper way to diagnose .

Mar 06, 2018 | 2003 Pontiac Sunfire

1 Answer

Daytime running light


[Information] For a 2002 Toyota Camry, the Daytime Running Lights (DRL) operate utilizing the High Beams (inner Lamps closer to the center of the vehicle front) at a reduced power.

[The troubleshooting process:] Review the Owner's Manual and ensure the test configuration matches the following criteria:
1. According to the 2002 Toyota Camry Owner's Manual (Check your Owners Manual):
"The DRL system will make your headlights come on at a reduced brightness when:
The light switch s in the "DRL" position.
The ignition is on with the engine running.
The headlight switch is off.
The parking brake is released."


2. Set the Test Conditions according to Step 1 above.

3. Check the headlight bulbs to ensure they are not burned out. If one burns out, there is a fair chance that the other would have burned out at the same time. Replace as necessary. In this case, if the high beams operate, the DRLs should also operate.
4. Test the system, ensuring the step 1 conditions are set. (Engine running, Multi-function Switch on Turn Signals in "DRL" position, headlight switch off (repeating what the manual says -- it should be obvious that in the "DRL" position, the headlight switch should be off / do not have the switch positioned to "High Beam"), and the Parking Brake "off").
5. If DRL lights do not work, check the engine compartment Fuse and Relay Box. there is a 5 Amp DRL fuse -- replace it with the spare. Test (step 4).
6. If it does not work, swap around or replace relays -- there are three (3). Any one of them could be bad (stuck or burned out). Test (step 4).
7. Other less likely possible issues could be that the Multi-function Switch is broken or a connection / wire is broken. [Beyond the scope of this process.]


My problem was that the test configuration did not have the engine running and parking brake off - Step 1. Problem solved with much thought, repetitive tests on the vehicle and going back to the basics -- what does the Owner's Manual say and where are the applicable fuses and relays located?

Dec 30, 2011 | 2002 Toyota Camry

3 Answers

Daytime Running Lights Inoperative 2002 Toyota Camry


[Information] For a 2002 Toyota Camry, the Daytime Running Lights (DRL) operate utilizing the High Beams (inner Lamps closer to the center of the vehicle front) at a reduced power.

[The troubleshooting process:] Review the Owner's Manual and ensure the test configuration matches the following criteria:
1. According to the 2002 Toyota Camry Owner's Manual (Check your Owners Manual):
"The DRL system will make your headlights come on at a reduced brightness when:
The light switch s in the "DRL" position.
The ignition is on with the engine running.
The headlight switch is off.
The parking brake is released."


2. Set the Test Conditions according to Step 1 above.

3. Check the headlight bulbs to ensure they are not burned out. If one burns out, there is a fair chance that the other would have burned out at the same time. Replace as necessary. In this case, if the high beams operate, the DRLs should also operate.
4. Test the system, ensuring the step 1 conditions are set. (Engine running, Multi-function Switch on Turn Signals in "DRL" position, headlight switch off (repeating what the manual says -- it should be obvious that in the "DRL" position, the headlight switch should be off / do not have the switch positioned to "High Beam"), and the Parking Brake "off").
5. If DRL lights do not work, check the engine compartment Fuse and Relay Box. there is a 5 Amp DRL fuse -- replace it with the spare. Test (step 4).
6. If it does not work, swap around or replace relays -- there are three (3). Any one of them could be bad (stuck or burned out). Test (step 4).
7. Other less likely possible issues could be that the Multi-function Switch is broken or a connection / wire is broken. [Beyond the scope of this process.]


My problem was that the test configuration did not have the engine running and parking brake off - Step 1. Problem solved with much thought, repetitive tests on the vehicle and going back to the basics -- what does the Owner's Manual say and where are the applicable fuses and relays located?

Dec 30, 2011 | 2002 Toyota Camry

1 Answer

No headlights


You need to start by checking the fuse for your headlights (low beams). The DRL could be be bad, but I have not seen them go out very often.

Jun 08, 2009 | 2002 GMC Safari

2 Answers

I have a 1998 cavilier i have no low beams,fuses checked good


 I’m inclined to believe you have a headlight switch problem and here’s why. There are 2 fuses one for each of the headlights on the vehicle. For the daytime running lights (DRL) to operate the fuse and wiring to the right head light has to be good, because it supplies the power for both headlights in the DRL mode. The fuse and wiring for the left headlight has to be good because the DRL relay needs power from that fuse to operate. The DRL relay in turn provides a path through the left headlight and wiring to ground. When you pull back on the dimmer switch, you are activating the flash to pass circuit of the headlight switch assembly. Because the flash to pass mode works you then know that the high beam wiring and headlight bulbs are in good condition. This also tells you that the ground circuit for the headlight switch is good. In many newer vehicles, the headlight switch doesn't provide power to the lights. The headlight switch has now become the path to ground to complete the circuit. The headlight switch and the high/low beam dimmer control are one assembly so when you replace one you get the other free. Such a deal! My coffee bet is on the headlight switch assembly.

May 12, 2009 | 1998 Chevrolet Cavalier

1 Answer

1994 ford f-150 with day time running lights headlightnot working


Daytime Running Lamps
The daytime running lamp (DRL) system is designed to turn the high beam headlamps on, with a reduced light output, and without illuminating the high beam indicator lamp in the instrument panel. You have a DRL Module.
The multifunction switch is the stalk on your column.

This is 96 F150 circuit. Don't have 94.

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Symptom Chart, Headlamps HEADLAMPS Condition Possible Source Action
  • Headlamps Inoperative
  • Circuitry open/shorted.
  • Damaged headlamp switch.
  • Blown fuse.
  • GO to Pinpoint Test A .
  • Headlamps On Continuously
  • Circuitry open/shorted.
  • Damaged headlamp switch.
  • GO to Pinpoint Test B .
  • High Beams or Low Beams Inoperative
  • Circuitry open/shorted.
  • Damaged multi-function switch.
  • GO to Pinpoint Test C .
  • One High Beam or One Low Beam Headlamp Inoperative
  • Circuitry open/shorted.
  • Damaged connector.
  • Headlamp bulb damaged.
  • GO to Pinpoint Test D .
  • Flash-to-Pass Inoperative
  • Blown fuse.
  • Circuitry open/shorted.
  • Damaged multi-function switch.
  • GO to Pinpoint Test E .



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Feb 25, 2009 | 1994 Ford F150 Styleside Supercab

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