Use of clamp on dc ammeter
Well, I'm kind of stumped. I'm trying to measure a phantom draw on my daughter's car by using a clamp on Sears AC/DC ammeter at the car battery. I can only get the readout of OL (Open limit?) on t...
Forum Discussion
There are a few things in a car that draw power all the time
The radio needs power to maintain the station memory and to run the clock
The Engine Control Computer also has a memory that needs to be powered.
ON-Star/On-Guard transponders need full time power.
On some cars even the dome light is always poweres.. My 2001 Neon is like that, a small current flows even with the doors closed and it is computer controlled!!
(How do I know this.. Well the lamp was missing when I got the car used so I installed an LED, it has a very tiny glow all the time, you have to look to see it, but it's there)
The radio needs power to maintain the station memory and to run the clock
The Engine Control Computer also has a memory that needs to be powered.
ON-Star/On-Guard transponders need full time power.
On some cars even the dome light is always poweres.. My 2001 Neon is like that, a small current flows even with the doors closed and it is computer controlled!!
(How do I know this.. Well the lamp was missing when I got the car used so I installed an LED, it has a very tiny glow all the time, you have to look to see it, but it's there)
