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Home >> Mercedes Benz >> 1998 >> S500 >> Repair and Diagnosis >> Accessories & Equipment >> Wiring System (Data Link Connectors, Pwr Dist., Grnd Dist.) >> Electrical System, Equipment & Instructions - 140 Chassis >> Repair & Adjustments >> Removing and installing combination relay - ra540c1401500x(1500)

Removing and installing combination relay - ra540c1401500x(1500)

C. Connector pin assignment combination relay Model 140 up to 08/95 

Operation no. of operation texts and work units or standard texts and flat rates:

C. Connector pin assignment combination relay (up to 08/95) 

5-pin connector (connector 2)

Fig 1: Identifying 5-Pin Connector (Connector 2)
G05439094Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
PIN ASSIGNMENT OF 5-PIN CONNECTOR

No. Designation Cable cross-section mm2 Color of cables
1 13-pin trailer coupling socket (right turn signal) 0.75 black/green
2 13-pin trailer coupling socket (left turn signal) 0.75 black/white
3 13-pin trailer coupling socket (trailer recognition) 0.75 black/white
4 - - -
5 Heated rear window 0.75 black

8-pin connector (connector 3)

Fig 2: Identifying 8-Pin Connector (Connector 3)
G05439095Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
PIN ASSIGNMENT OF 8-PIN CONNECTOR

No. Designation Cable cross-section mm2 Color of cables
1 ATA control module (N26) pin 16 0.75 blue/yellow
2 - - -
3 Wiper relay (K26) connector (1) pin 2 0.75 brown/yellow
4 - - -
5 Wiper relay (K26) connector (1) pin 3 0.75 yellow
6 Wiper relay (K26) connector (1) pin 5 0.75 black/violet
7 F2 maxi fuse box pin 11 4.0 red/white
8 - - -

21-pin connector (connector 1)

Fig 3: Identifying 21-Pin Connector (Connector 1)
G05439096Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
PIN ASSIGNMENT OF 21-PIN CONNECTOR

No. Designation Cable cross-section mm2 Color of cables
1 Connector, combination switch (S4x1) pin 6 0.75 black
2 Hazard warning switch (S6) pin 1 0.75 grey/white/violet
3 Main ground (behind instrument cluster, W1) 0.75 brown
4 Fuse box F3, fuse 17, terminal 30 connector position 22, pin 2 1.5 red
5 Connector, combination switch (S4x1) pin 10 0.75 black/blue/white
6 Switch, heated rear window (S14) pin 5 0.75 green/black
7 Terminal block (X4/17) terminal 15C 1.0 black/grey/red
8 Connector, taillamp harness (X18) right turn signal lamp, pin 10 1.0 black/green
9 Connector, combination switch (S4x1) pin 9 0.75 black/blue/yellow
10 Hazard warning switch (S6) pin 2 0.75 black/yellow/green
11 Connector, combination switch (S4x1) pin 7 0.75 blue
12 Connector, taillamp harness (X18) left turn signal lamp, pin 9 1.0 black/white
13 Switch, heated rear window (S14) pin 1 0.75 green/blue
14 Fuse box F3, fuse 22, terminal 15C, plug location position 30 1.0 black/grey
15 Fuse box F3, fuse 15, terminal 15 fused 1.5 black/yellow
16 - - -
17 Exterior lamp failure monitoring unit (N7), connector 3, pin 15 0.75 black/green/white
18 Terminal block, V-signal/ABS (X46/5) 0.75 green/black
19 Diode matrix, engine speed increase (DZA) (V2), connector 1, pin 1 0.75 violet/white
20 Terminal block (X6) terminal 58d 0.75 grey/blue
21 Connector, combination switch (S4x1) pin 8 1.0 grey/white/green