Saturn Repair Problems? Ask a Mechanic for Answers ASAP
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I believe you can wire in a resistor to the sunload sensor harness. Let me look up a schematic to make sure.
I can't find a specific resistance for the sensor, but you may even be able to wire a jump harness from one pin to the other of the sunload sensor.
Would you happen to know if the ambient light sensor increases or decreases resistance when light hits it?
I am familiar with cadmium sulphide light dependent resistors which lower their resistance when exposed to light.
Web forums say that substituting a common 2.2K ohm resistor for the light sensor will disable the DRL system.
I am certain there will be a resistor value that will force the DRL to remain on, i.e. simulate a low level of ambient light.
If the web forums are right and the VUE ambient light sensor is a light dependent resistor, then simulating darkness would require a high resistance, let's say 5 or 10K ohms.
Do you have any thoughts on whether I should use a low (~200 ohms) or high resistance?
Well its easy enough to get to and test. If you can get a high resistor to check, that would be your best bet.