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A common problem with the Discovery 1 and Range Rover Classic is unwanted immobilization due to a security system fault, or failing immobilization control unit. These are sealed and fail often due to broken solder joints and relays. The part is no longer available but can be fixed by opening the case and reflowing broken solder joints.
Fortunately the EICU can be bypassed with part AMR4956 (available from Rovers North), which simply connects input pins to output pins on the EICU harness. Of course, you could create your own using the same logic.
What exactly does this do. Does it stop the alarm from going off? Does it let the doors work, Does it stop the immobilizer from killing the vehicle?
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This is my Land Rover. There are many like it, but this one is mine.
My Land Rover is my best friend. It is my life. I must master it as I must master my life.
My Land Rover, without me, is useless. Without my Land Rover, I am useless. I must drive my Land Rover true. I must drive straighter than any Jeep who is trying to pass me. I must pass him before he passes me. I will...
Nice, if only it were this easy to fix my door locking and alarm issues! I haven't locked my doors in months because I was getting too many false alarms...
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'96 Discovery, "Mountain Goat", 122k Miles, 60k service complete, alive and kicking. OME Heavy Duty Springs, 235/85-R16 BFG KM2s, Custom Steering Damper Brackets, Custom Winch Bumper
'92 Ford Ranger Custom 2WD, "Gringo", 126k Miles, 4.0 V6 & 5-speed goodness. Purchased 2011.
'89 Nissan Sentra, "The Red Flame", 191k miles and just broken in, purchased 2002. Currently being restored
Immobilization Bypass
