First I had problem with headlights not turning off. Would take turning them off and on over and over and sometimes 30 minutes to an hour to get them to go off. It only does it every once in awhile and seems like mainly after its been raining but not always. Then one night, my headlights wouldn't go off, I took 20 minutes getting them too, and the problem switched to my interior lights. My headlights started working ok, but now my interior lights won't switch off. I had to pull the fuse and go without them, but if it goes back to headlights I can't go without headlights. anyone know what could be causing this?
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Have had a similar experience with my 2000 Ford Windstar. The extra load added by turning on the headlights affects the instrumentation power feed. The illumination flickers and the gages go crazy. Your 2003 CRV may have its original battery which is near death. It took me four batteries to stabilize things and I still get the flickers at night sometimes
Sometimes they are hidden behind the headlights. it is located behind passengers head light. You will need to remove the grill, and headlight to reach it. The horn is only held in by one screw. It has one plug providing power. You may need to ground the horn when replacing it. It took me no more than 30 minutes to completely replace and reassemble using a universal horn off the shelf.
You could have a start that has gone bad and will need to be replace,or your having a Passlock system problem.
Your Passlock may need to relearn the ignition keys, if the
ignition lock has gone bad like my in-laws Grand Am Gt, here is what i
did so they will not get stranded any more. Buy a Passlock by pass
module for around $70.00. You can orderone from GMPASSLOCK.COM in the
mean time try resetting the Passlock. Good luck
Ignition keys relearn takes about 30 min to do. 30-Minute Learn
Procedure 1.) Turn ON the ignition, with the engine OFF. 2.) Attempt to
start the engine, then release the key to ON; the vehicle will not
start. 3.) Observe the SECURITY tell tale light. After approximately 10
minutes, the light will turn OFF. 4.) Turn OFF the ignition switch, and
wait 5 seconds. 5.) Repeat steps 1 through 4 - two more times - for a
total of 3 cycles of 10 minutes. 3x10 = 30 minutes. The vehicle is now
ready to relearn the Passlock Sensor Data Code and/or
passwords on the next ignition switch turn from OFF to CRANK Important:
Turn the Ignition Switch OFF. The vehicle learns the Passlock
Sensor Data Code and/or password on the next ignition switch transition
from OFF to CRANK. You must turn the ignition OFF before attempting to
start the vehicle. 6.) Start the engine. The vehicle has now learned the
Passlock Sensor Data Code and/or password. 7.) With a scan tool, clear any DTCs if needed. History DTCs
will self clear after 100 ignition cycles.
Without a scan tool you may
have momentary starter interruptions while history clears itself.
sometimes turning the ignition on 3 times quickly without starting will reset the computer. If the van has power locks and keyless entry then try using only the keyless entry. Sometimes your car wont have a alarm but an anti theft device which will not allow it to start if it goes off or something triggers it.