Cruise Control - P-Tempomat Amplifier Install

TO: OUR MERCEDES-BENZ PASSENGER CAR DEALERS

DATE: April 1986 REF.NO. MBNA 54/11


SUBJECT: INSTALLING AMPLIFIER 005 545 12 32 FOR P-TEMPOMAT/CRUISE CONTROL SYSTEM USA MODELS BUILT UP TO APPROXIMATELY MARCH 1976

FIGURE 1 - WIRING DIAGRAM:

When installing a replacement digital amplifier 005 545 12 32 in vehicles built up to approximately March 1976, a red wire (0.75 mm) (arrow), must be installed from terminal 2 of the P-Tempomat/Cruise Control switch (1) to terminal 5 of the digital amplifier (2) (Figure 1)..
This connection is necessary to provide current to the amplifier.

1 switch
SP = Resume V = Decelerate A = Off B = Accelerate
2 Digital amplifier
3 Speed sensor
4 Actuator
5 Stop lamp switch
6 Stop lamp
a Circuit 15