Can a bad relay kill a battery?
Can a bad relay kill a battery?
A failed ECM power relay can also cause a battery drain or dead battery. If the relay shorts it can leave power on to the computer, even when the vehicle is turned off. This will place a parasitic drain on the battery, which will eventually cause it to go dead.
What does it mean when your car battery is dead overnight?
You go out to your car and the battery is dead overnight, this can be frustrating to say the least especially when you are late to work or got the kids ready for school and ready to leave. When the battery looses its charge in the morning you could have a voltage drain in the electrical system which is called a parasitic draw.
How to find an automotive parasitic draw dead battery?
At night look under the vehicle to check for light near the engine bay, to fix this problem replace the light assembly. If you can’t find the cause of the battery drain, a manual draw check of the electrical system will need to be performed.
Why does my car battery draw power in the morning?
If you know the battery is good because it has been replaced recently and it’s dead in the morning there is an electrical draw causing this problem. There are several “live” electrical circuits that bypass the ignition switch that can draw electrical power when the key is in the off position.
What does it mean when battery looses charge?
When the battery looses its charge in the morning you could have a voltage drain in the electrical system which is called a parasitic draw. I created this guide which will show you easy fixes and onward to the more complicated electrical problems.
What to do if your Ford F150 battery dies?
Unplug your glove compartment light bulb. Some vehicles glove departments do not close appropriately to toggle off the light and it will drain a battery like you wouldn’t believe. I haven’t heard too many problems in ford’s but this used to be a problem in Mercury’s which of course might as well be Ford Thanks, ill go check that out and see.
Why does my F150 battery drain after sitting overnight?
As a result at random times the 4×4 light would illuminate (but the truck wasn’t nor went into 4WD mode…light would just illuminate. Battery would drain after sitting overnight. The leak would run down the a-pillar and into the fuse box area the GEM is mounted behind the fuse box. It’s a bitch to change.
Why does my 84 flhtc battery keep draining?
I believe I have a battery drain. Just purchased a new 350 cold crank amps and after a proper initial charge, and run, the next day the battery did not have enough juice to turn over. My 84 FLHTC has the EVO motor, and while it runs and sounds like a dream, starting it has become a issue. Any ideas?
Why did the battery die on my Silverado?
ETA: No light in glove box. Thought that it was just a bad connection since it started up 3x after being on charger less than 2min. 30 min later, dead again. I had a similar problem with my Silverado and after two months of local shops not being able to find the problem I traded in the truck.
