Why does my parking light fuse keep blowing?
If the fuse blows then, there is a dead short in a wire. If it doesn’t blow, then light by light, put them back in until you get to one that blows the fuse. The bulb for that spot may be bad or there is a socket issue. Hopefully just this fuse is just for the parking lights so look at your diagram to make sure.
What is Park LPS fuse?
The PARK LPS fuse in the underhood fuse block, supplies battery positive voltage to both the park lamp relay switch contacts and park lamp relay coil circuit.
What does a park lamp fuse do?
Simple, so the BCM can provide power to the instrument cluster and the heater control to provide illumination at night. The indicator light in the instrument cluster alerts the driver that the headlight parking lights are on and the heater control illuminates so the driver can see the setting on the heater control.
What causes the fuse to blow on the parking light?
If there’s a short to ground on the grey wire from the BCM to either the instrument cluster or the heater control, it will blow the parking light fuse! That will cause you to waste a lot of time and money replacing the relay and BCM when those aren’t the problem.
When do you replace the parking light fuse?
The problem arises when the parking light fuse blows and you replace the fuse. As soon as you turn on the parking lights or headlights, the parking light fuse blows again.
Why are my brake lights blowing out in my truck?
The brake lights were working normally, turn signals working normally, headlights on, but the back of the truck is dark unless I hit the brakes or turn. After a quick google search, I checked fuse #30 in the passenger foot well (Parking lamp relay, TT parking lamp relay) and sure enough it is blown.
Why do my tail lights keep blowing fuses?
I’d put a 35″ spare under there a couple of months ago and it was a tad loose. The spare had been swinging slightly and pressing a harness between the tire and the trailer hitch. It wore though the insulation and was causing an intermittent short. Secured the harness away from the tire, wrapped up the damaged wire and no more blown fuses!
If there’s a short to ground on the grey wire from the BCM to either the instrument cluster or the heater control, it will blow the parking light fuse! That will cause you to waste a lot of time and money replacing the relay and BCM when those aren’t the problem.
The problem arises when the parking light fuse blows and you replace the fuse. As soon as you turn on the parking lights or headlights, the parking light fuse blows again.
What to do if your running light fuse keeps blowing?
Replace the fuse and then use a circuit tester such as # PTW2992 to test the vehicle side trailer connector while someone sits in the vehicle and turns on the running lights. If it shows power and the fuse does not blow then the issue is on the trailer. If it does blow the fuse then the issue is on the vehicle.
Why does the fuse keep blowing on my trailer?
If it shows power and the fuse does not blow then the issue is on the trailer. If it does blow the fuse then the issue is on the vehicle. Likely causes of a short on a vehicle include a dirty or corroded trailer connector or damaged wiring.
