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Ask GM Tech (Cam) Your Own Question
GM Tech (Cam)
GM Tech (Cam), Chevy Technician
Category: Chevy
Satisfied Customers: 15201
Experience:  GM Grand Master Technician 2007. 14 years experience.
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2001 prizm, when it's dark outside my lights don't work

Customer Question

2001 prizm , when it's dark outside my lights don't work until I shine a light on the ambient light sensor what's wrong is there a cheap fix?
JA: Just to clarify, what are the exact lights you're talking about?
Customer: Headlights
JA: Are you fixing your Prizm yourself? What have you tried so far?
Customer: Yes, changed the relay
JA: Anything else you want the mechanic to know before I connect you?
Customer: Nope
Submitted: 2 months ago.
Category: Chevy
Expert:  david craig replied 2 months ago.

Hi Im David, thanks for visiting the site. The ambient light sensor needs to be replaced. Its losing its sensitivity.

Expert:  david craig replied 2 months ago.

procedure

Expert:  david craig replied 2 months ago.

cluster removal

Customer: replied 2 months ago.
Is there anyway to bypass it
Expert:  david craig replied 2 months ago.

no, you cannot by pass it. it needs a light source

Customer: replied 2 months ago.
When I look to buy the part all I find is the connector wires
Expert:  david craig replied 2 months ago.

ok, let me try to find it for you

Expert:  david craig replied 2 months ago.

https://www.google.com/search?q=2001+checy+prizm+ambient+light+sensor&oq=2&aqs=chrome.2.69i59j69i57j69i59j69i61j69i60l2.2466j0j8&sourceid=chrome&ie=UTF-8#q=2001+chevy+prizm+ambient+light+sensor&tbm=shop&spd=6301517822697395185

Customer: replied 2 months ago.
Ok thank you I ordered one 150$ so I hope your right
Expert:  david craig replied 2 months ago.

ok, so your lights dont turn out at night unless you shine a light on the sensor? it kind of sort of has to be that sensor.

Customer: replied 2 months ago.
No way it could be the drl module
Expert:  david craig replied 2 months ago.

are the drl's working?

Customer: replied 2 months ago.
I don't mean to sound like I'm doubting your answer I think this was well worth the call to you thank you so much
Expert:  david craig replied 2 months ago.

I understand, no problem. if you dont feel comfortable, try getting one from a salvage yard.

Customer: replied 2 months ago.
No I ordered one , it's gotta be the problem
Expert:  david craig replied 2 months ago.

I agree.

Expert:  david craig replied 2 months ago.

hows it going?

Customer: replied 2 months ago.
Still no part yet
Expert:  david craig replied 2 months ago.

ok

Expert:  david craig replied 2 months ago.

just checking in to see how its going

Customer: replied 2 months ago.
Still no part they say Wednesday
Customer: replied 2 months ago.
Changed the part like u said , waited till dark started the car lights came on for 20 seconds then went off dash and taillight still work and parking light are on and in the 20 there on no dash lights until I turn the switch and also high beam switch shuts headlights right off
Expert:  david craig replied 2 months ago.

ok, well Im not sure what the problem is then. I will open this up to let someone else chime in on the issue. Do not reply back or it will take your question off of the board.

Customer: replied 1 month ago.
I still haven't got any answers