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Home >> Mercedes Benz >> 2018 >> B250 Base >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Electrical System, Equipment & Instructions - 246 Chassis >> Testing & Repair >> Remove/install pyrofuse electrical connector - AR54.15-P-1100NKB

Remove/install pyrofuse electrical connector - AR54.15-P-1100NKB

MODEL 117, 156, 176 

MODEL 242 with ENGINE 270 up to model year 2015 

MODEL 246 up to model year 2015 

Fig 1: Identifying Pyrofuse Electrical Connector Remove/Install Components (1 Of 2)
G10251197Courtesy of MERCEDES-BENZ USA
Fig 2: Identifying Pyrofuse Electrical Connector Remove/Install Components (2 Of 2)
G10251198Courtesy of MERCEDES-BENZ USA
REMOVING Remove     
1 Disconnect ground line for on-board electrical system battery (G1)   AR54.10-P-0003NKB 
2 Unlock locking pin (1) and detach electrical plug (2) from positive terminal of on-board electrical system battery (G1)    
3 Expose wiring harness of electrical plug (2)    
4 Remove insulation (3) from wiring harness of electrical plug (2) to behind damaged area and cut off wiring harness    
INSTALLING Install     
DANGER Risk of injury  caused by burns to skin and eyes, risk of poisoning caused by inhaling fumes during soldering. Wear protective gloves, protective clothing and safety glasses. Ensure that the work area is adequately ventilated. Secure power supply cables. Avoid sources of fire in working area. AS00.19-Z-0002-01A
5 Cut repair wiring harness (4) to same size as removed part and connect to wiring harness of electrical plug (2) using solder connector (5)    
IMPORTANT Notes on soldering   AH00.19-P-1000-10A
IMPORTANT Observe the color coding of the cables of the repair wiring harness (4) and of the wiring harness of the electrical plug (2).  
6 Wrap repair area with fabric tape (6)    
7 Route wiring harness of electrical plug (2) to on-board electrical system battery (G1) and fix in place NOTES Make sure that the wiring harness of the electrical plug (2) is routed correctly.
The wiring harness of the electrical plug (2) will otherwise be damaged as a result of chafing and crushing.
 
8 Connect electrical plug (2) to positive terminal of on-board electrical system battery (G1) and lock locking pin (1)    
9 Connect ground line for on-board electrical system battery (G1)   AR54.10-P-0003NKB