Operation CHARM
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Mercedes Benz
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1993
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300SD (140.134) L6-3.5L DSL Turbo (603.971)
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Repair and Diagnosis
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Body and Frame
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Seats
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Testing and Inspection
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Component Tests and General Diagnostics
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Heated Seats (HS)
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Front Seats
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ETP - Electrical Test Program
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Component Locations and Identification
Component Locations and Identification
Figure 1:
F3
Fuse box 35 fuses
Figure 2:
N25/5
Front seat heater control unit
Figure 3:
V2
Idle speed increase diode matrix