Today I received Carsoft 7.4 multiplexer.

I have two questions about 600SEL 1992 W140 diagnosis.

1. What is the system used in this car? (OBD-I, OBD2 or analog)?
2. I have three wires to connect 560SEL 1990 W126 car. How do I connect them to the car?

Thank you.

__________________
Master Computer Engineer, A+, Network+, MCP/MCSA/MCSE 4/2k/2k3 - Messaging, MCTS, MCITP, MCT, Brainbench, ICDL and starting Ph.D

380SE 1984 <------- Totaled by flipping accident
300SE 1988 <------- Sold
Volvo S70 2000 <---- 4 family
Opel Omega 2002 <-- 4 family
560SEC 1989 <------ Sold
560SEL 1990 <------ Sold
560SEL 1991 <------ 4 my mother
560SEL 1989 <------ Sold
600SEL 1992 <------ Current

http://search.ebay.com/_W0QQsassZkhazenzcc