350SDL (126.135) L6-3.5L DSL Turbo (603.970) (1990)
48. Plug 12-point plug to electronic switchgear (9).
49. Mount air ducts left and right for rear passenger compartment heater.
50. Mount heater hoses.
51. Install ABS control unit.
52. Fill-in coolant and check cooling system for leaks.
53. Install center console.
54. Install instrument panel.
55. Install foot mats into footwell at front left and right.
56. Evacuate air-conditioning system, refill and check for function and leaks. See: Testing and Inspection