Work Instructions 278

9233mercedes01

Group: 07.4

Number: 278


Work Instructions
Date: April 1992


SUBJECT:
MODEL 140.0 STARTER LOCK-OUT/BACKUP LAMP SWITCH AND WIRING

Procedure

1. Disconnect wiring harness at transmission.

2. Replace and adjust start lock-out/backup lamp switch (see SMS, Automatic transmission 722.3 or 722.5, Job No. 27-130).

3. Remove driver's footwell carpet.





4. Disconnect starter lock-out backup lamp switch connector (X49/2) and starter lock-out switch/electronic accelerator/cruise control connector (X50/1), as well as the connector from the kickdown switch (S16/7) (Figure 1).

5. Cut away branch (a) approximately 200 mm (8 inches) from its entry point into the harness (Arrow). Now remove remaining connections for transmission wiring harness (b) from vehicle and discard old harness. (Figure 1).

6. Solder connector pins (part number 016 545 14 28) to the wire ends of the harness (a, Figure 1) remaining with the vehicle.





7. Install male connector housing (1, Figure 2) to cut off branch (a, Figure 1) of old transmission wiring harness, and connect wires as shown in the table.


Model 140.042/051/057 140.032

Location 1 BK BK/GN-RD

Location 2 ----

Location 3 BK/RD BK/RD

Location 4 ----





8. On the new transmission wiring harness (2), cut away branch (a) approximately 200 mm (8 inches) from its entry point into the harness and discard. Solder connector sockets (part number 003 545 06 26) to wire ends of the transmission wiring harness (2). (Figure 3)





9. Install female connector housing (3, Figure 4) to cut off branch (a, Figure 1) of new transmission wiring harness, and connect wires as shown in the following table:


Model 140.042/051/057 140.032

Location 1 BK BK/GN-RD

Location 2 ----

Location 3 BK/RD BK/RD

Location 4 ----


13. Install new transmission wiring harness and make all connections. Secure the additional connectors.

14. Reinstall driver's footwell carpet.

15. Test drive vehicle and check all functions of the starter lock-out/backup lamp switch, shift range B or D, as well as kickdown function.





Parts Information


In Case of Warranty

Operation:
Replace start lock-out/backup lamp switch and transmission wiring harness

Damage Code Operation Number Time Model(s)

27 205 47 02-5448 2.4 hrs. A1/A2/A3/A4

Note:
Above operation number includes all steps listed in these Work Instructions. No other operation numbers are applicable with S.I. 07.4/54.