snowmad
New Member
- Joined
- Mar 23, 2014
- Messages
- 3
- Reaction score
- 2
- Points
- 3
- Vehicle Year
- 1990
- Make / Model
- ford
- Transmission
- Automatic
Hi!
I’m having an intermittent battery drain problem.
It occurs when the -90 4.0 automatic Ranger has been run in 4x4 mode (with or whit out low range) and then is parked and left some days with the 4x4 button just being disengaged (no indicator light on at dashboard switch)
Most of the times this occur is when wife or someone has borrowed the Ranger but now and then it happens to me to..
I do believe it’s the “2-4-low” actuator on the transfer case that is trying to get out of 4x4 mode.
-That, on those occasions, the 4x4 mode is still engaged even do the light is out and the motor/actuator is trying to disengage until it manages or (most often as the Ranges is sitting still) the battery is drained/dead.
Ones or twice I have heard what I believe is the engine/actuator making “notice” even thou the ignition is “off” and the ignition key is far from the car.
I know the simple solution is to leave the Ranger still in 4x4 more or make sure it is “back” in 2wd mode.
BUT the idiot proof way is to make sure that this “2-4-low” engine/actuator (and control unit?) is powered off and not draining the battery as soon as the key is off ...
-That can be solved by adding a 12v “key on” power relay to the circuit …
So question here is where is the easiest way to “hack” the power supply to these parts located?
I don’t have a wiring diagram(s) or like a shop manual with “electrical wiring layout pictures”
So if I’m to solve this without some help from fellow “Ranger fellows” I’m so lost...
Lars
I’m having an intermittent battery drain problem.
It occurs when the -90 4.0 automatic Ranger has been run in 4x4 mode (with or whit out low range) and then is parked and left some days with the 4x4 button just being disengaged (no indicator light on at dashboard switch)
Most of the times this occur is when wife or someone has borrowed the Ranger but now and then it happens to me to..
I do believe it’s the “2-4-low” actuator on the transfer case that is trying to get out of 4x4 mode.
-That, on those occasions, the 4x4 mode is still engaged even do the light is out and the motor/actuator is trying to disengage until it manages or (most often as the Ranges is sitting still) the battery is drained/dead.
Ones or twice I have heard what I believe is the engine/actuator making “notice” even thou the ignition is “off” and the ignition key is far from the car.
I know the simple solution is to leave the Ranger still in 4x4 more or make sure it is “back” in 2wd mode.
BUT the idiot proof way is to make sure that this “2-4-low” engine/actuator (and control unit?) is powered off and not draining the battery as soon as the key is off ...
-That can be solved by adding a 12v “key on” power relay to the circuit …
So question here is where is the easiest way to “hack” the power supply to these parts located?
I don’t have a wiring diagram(s) or like a shop manual with “electrical wiring layout pictures”
So if I’m to solve this without some help from fellow “Ranger fellows” I’m so lost...
Lars