W126 Idle Control Wiring Diagram The Mercedes-Benz W126 is a series of S-Class automobiles manufactured by Mercedes-Benz between 1979 and 1992. Premiering in September 1979 as the successor to the W116 line, the W126 was the second generation to officially bear that prestigious designation, an abbreviation for the German Sonderklas..
W126 Idle Control Wiring Diagram I've got an 86 302 EFI which stalls after startup. I've determined that the idle air control valve is starving the engine of air and so it stalls. According to Haynes, there should be 10.5 volts across the two wires going to the idle air control valve. One wire is red and the other gray. My readings are erratic and way lower than 10.5.
W126 Idle Control Wiring Diagram Idle Speed - 1985 500 SEC. Replaced the idle control box about 1 month ago, that fixed it, also checked the idle control valve again after replacing the idle control box and it seems to be working. You need to look at the wiring diagram and see the connection between idle control and the
W126 Idle Control Wiring Diagram Mercedes-Benz W12 6: W126 designates the flagship line of cars manufactured by Mercedes-Benz between 1979 and 1991. The W126 replaces the W116 line and was the second series to carry the S-Class or Sonderklasse (special class) designation.