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1984 Mercedes-Benz 500SEC 5.0L Battery
Posted to European Electrical on 6/13/2019 6 Replies

I found disconnecting the white wire at the junction behind the alternator reduced the key off drain to 0. Per the wiring diagram, that wire feeds the fuse box, ignition switch, light switch, ABS controller, antitheft system, power windows power seats, ign...

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car Vehicle Data

1984 Mercedes-Benz 500SEC

VIN WDB1260441
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFuel Injection
AffectedBattery
Open Help Request

car Vehicle Data

1984 Mercedes-Benz 500SEC

VIN WDB1260441
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFuel Injection
AffectedBattery