Removing and installing preresistor for combustion air blower - ra83001406055x(6055)
WARNING: This page does not describe the selected car, but rather 42 other vehicles, including the 1999 Mercedes-Benz S600, 1999 Mercedes-Benz S500, 1999 Mercedes-Benz S420, 1999 Mercedes-Benz S320, and 1999 Mercedes-Benz CL600. However, it is still accessible from the selected car via links, so may be relevant.
Model 140 with auxiliary heater
Previous work:
Molding on front right fender removed.
Operation number of operation texts and work units or standard texts and flat rates:
| Ground cable on battery | Disconnect, connect. |
| Cover (1) | Pull off, push on. |
| Connector (2) with plug | Unclip from holder at heating unit, clip in. |
| Plug cover (3) | Open, close. |
| Cables (4) of combustion air blower preresistor (A6r1) | Disconnect and remove from plug housing; insert and route. |
| Red cable to plug location 5. | |
| Red cable to plug location 6. | |
| Screw (5) | Unscrew, screw in. |
| Combustion air blower preresistor (A6r1) | Remove; coat contact surface with heat-conductive paste before installing; install. |
| Auxiliary heater | Check function. |
| Cable color | Heater plug locations | |
|---|---|---|
| bl = Blue | 1 | Glow plug |
| ws = White | 2 | |
| br = Brown | 3 | Combustion air |
| vi = Violet | 4 | blower |
| rt = Red | 5 | Combustion air |
| rt = Red | 6 | blower |
| preresistor | ||
| ws = White | 7 | Flame control |
| bl = Blue | 8 | |
| br = Brown | 9 | Temperature sensor |
| bl = Blue | 10 | |
| bl = Blue | 11 | Thermal fuse |
| bl = Blue | 12 |