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Old 03-24-2008, 03:33 PM   #1
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Disabling Daytime Running Lights

How do i disable the daytime running lights on my 2000 chevy prizm?

i tried pulling the large fuse or relay marked "DRL" with no result.

help me out toyota corolla and chevy prizm owners!
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Old 03-24-2008, 05:32 PM   #2
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Originally Posted by bowtieguy View Post
How do i disable the daytime running lights on my 2000 chevy prizm?

i tried pulling the large fuse or relay marked "DRL" with no result.

help me out toyota corolla and chevy prizm owners!

On my car I pulled the DRL relay and bent the tab that feeds the lamp circuit over to the side and plugged it back in. I get a brief blinking warning light when I first start the car.
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Old 03-25-2008, 01:54 PM   #3
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http://www.lightsout.org/disable.html has some general information on disabling DRL.

I tried disabling the DRL on my Civic by pulling the fuse with no luck. DRL is not an option on my 95 Civic. It is on Canadian models.
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Old 03-25-2008, 10:33 PM   #4
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yea usualyl theres a diode, a fuse, or bend the pin to the drl relay. my truck had a fuse so i just pulled that :P
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Old 08-14-2008, 10:21 AM   #5
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BUMP!

wanted to revisit this subject a bit.

my urgency for disabling the DRL has now increased as EOC seems to be weakening the battery.

certainly we have added a lot of new members since this thread was started. anyone know how to execute this for this vehicle? my search has been futile!
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Old 08-14-2008, 10:43 AM   #6
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Originally Posted by bowtieguy View Post
BUMP!

wanted to revisit this subject a bit.

my urgency for disabling the DRL has now increased as EOC seems to be weakening the battery.

certainly we have added a lot of new members since this thread was started. anyone know how to execute this for this vehicle? my search has been futile!
DRL are (on nearly all cars that have them) disabled with the parking brake engaged... if you could find the switch that controls that, you could short it... Just make sure you check if it controls anything else as well.

FROM lightsout (recommended above)--
From the Toyota technical service bulletin EL011-00 Web site for specific models determine where the module is; either the DRL relay or the body ECU, connector number, pin #. Oct 6,2000.

Corolla 99/00* DRL relay D3 pin 23
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Old 08-14-2008, 11:06 AM   #7
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Are the lights/bulbs dedicated as DRL only? Or do they also function as the low beams?

If they are dedicated as DRL's only, you could remove the bulbs or unsnap the electrical connector.
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Old 08-14-2008, 01:05 PM   #8
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These are high beam filaments operated at a reduced voltage. There is some added resistor in a circuit parallel to the full intensity high beam circuit. VW used low beam filaments instead, and installed a "series resistance wire", a smaller gauge wire that added resistance (and consumes power by producing heat) to drop the volatage to the filaments in a second, parallel path. I suspect the NUMMI plant did something similar.
You'll need to locate a wiring diagram or schematic to determine where this resistor or resistance wire is inserted on your Geo-ta. Once identified and located, simply opening the circuit will accomplish the desired goal.
Note that the hand brake switch disable was not across all makers or model years. VW DRL for the 96-97 Passat did not, but the 96-98 Jetta did.
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Old 08-14-2008, 01:48 PM   #9
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Note that the hand brake switch disable was not across all makers or model years. VW DRL for the 96-97 Passat did not, but the 96-98 Jetta did.
'02 VW does, and a PDF I was looking at says ALL GM manufactured models with DRL have the parking brake disable feature (although after 2002, if you were moving at over 3 MPH, the DRL came on anyway). The parenthetic note is from a different source. The PDF was from an official GM manual, so one assumes it is accurate (but you know what they say about assuming)...
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Old 08-14-2008, 02:49 PM   #10
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thanks all. i'll look into your recommendations.
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