There are several things that can cause your day time running the light relay switch to malfunction in your 2001 Chevy. The most common cause is a loose or corroded ground wire.
your car sucks!
there is a number of things that could cause this. here are a few easy ones to check. is the e-brake fully disengaged. are the bulbs burnt out. is the wiring harness plugged into the daytime lights bulbs and in good condition. if these check out, you may have a fault in the daytime running light module.
the daytime running lites go out when you put the trans in park. they also go out when you depress the parking brake. i would start looking there.
No
What kind of valve? Exhaust valve? EGR valve? PCV valve?
i think, depending on the year, that problem is caused by a factory defect.
i was wondering whether the switch at the parking brake could affect this problem.
Problem with the SRS. Not a DIY repair, due to possibility of serious injury. Take it to a professional for repair.
My Daytime Running lights module burnt out and the mechanic found a bad ground to be the problem. It turns out there was about 6 different things all being grounded at the same point so he split up the grounds. Hope this is helpful.
there should be a fuse under the hood or under your fuse block that probably blew
Oil pump failure?
The cause of extreme daytime heat in the desert is the direct exposure to the sun, resulting in high temperatures. By driving across the desert at night, you can avoid the extreme heat and lower the risk of heat-related issues such as dehydration or heatstroke.