Auto >> AutoSPT >  >> Engine

Which wire is positive for 1984 Mercedes 380sl ac compressor?

There are usually two wires to power Mercedes 380sl ac compressors, one is 12V+ power supply, the other is ground wire.

On this model there is only one connector with two wires connected to the compressor; with the system OFF. one should have continuity to ground, the other should be open,

Positive Wire

- The wire that *shows continuity to ground* when disconnected is the positive wire

Neutral Wire

- The wire that shows open should be directly connected to the compressor coil.

Auto Repair
I Spent Three Months and Hundreds of Dollars Chasing a 20-Minute Fix on My 1966 Ford Dump Truck How Diesel Engines Work – Part 1
Car Care
When Is it Not a Good Idea to Refinance Your Auto Loan? Ford Mustang Triple White Edition: Cool As Ice Watch a $200,000 Lamborghini Gallardo Supercar Drive Through Flood Waters
Engine
Why would the fan clutch pulley be loose and what is it connected to on engine side 2003 Trailblazer 4.2? Hydraulic Valve Lifter – Takes up the clearance, within the valve train.
Electric Car
Is a Toyota 3sge to 3sfe engine swap simple? Is it possible for a car be 100 percent fuel efficient? Where is the starter on a 1992 Chevy truck?
Autopilot
Where is the odometer fuse on a 2001 Harley Sportster? Will the Driverless Movement Slow Due to Coronavirus?
Car Photos
Why does your car shake when you hit the brake? Where is fuse for rear high brake light on 2002 ford focus? How do you remove the rear bumper from a 1976 corvette?