420SEL (126.035) V8-4.2L (116.965) (1986)
Tools and Equipment
NOTE: The second type is distinguished by:
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Modified arrangement of lead to control unit under heater housing towards front passenger compartment on right
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Changed location of red, 10-pin plug connector from footrest to panel situated below footrest.
Second Type
Removal:
1. Turn ignition key to position "0", disconnect and insulate negative battery terminal.
2. Remove floormat from front passengers footwell.
3. Unscrew footrest and remove.
4. Disconnect red 10-pin control unit plug from electronics board.
5. Remove gear lever trim.