GAGE BLOCK 4C2979 - Caterpillar

Rework Procedure
Make Harness Jumpers
Illustration 3 g03827984
(A) 101.6 mm (4 inch) wire (B) 152.4 mm (6 inch) wire (C) Socket
Illustration 4 g03828009
To make small harness jumpers, cut three wire segments, each of 101.6 mm (4 inch) length (A), from 18 gauge blue wire. Cut three wire segments, each of 152.4 mm (6 inch) length, from 18 gauge green wire.
Strip each end of all wire segments and crimp a socket (C) at end of each wire.
Insert the short wires into position2 of the 155-2270 Connecting Plug Kit (1). Insert the long wires into position 1 of the 155-2270 Connecting Plug Kit (1) .Note: Refer to Illustration 3 and Illustration 4.Rework Transmission Override Harness inside Cab
Illustration 5 g03828027
(SC) 70 pin connector (SE) Steel mill override ECM (SP) ET service port connector
Illustration 6 g03828186
70 pin connector (P1) Pin 1 (P26) Pin 26 wire X901-CP64 WH (P27) Pin 27 wire X801-CP63 PU (P32) Pin 32 wire X754-CP65 BU (P33) Pin 33 wire Y801-CP66 PU (P34) Pin 34 wire X836-CP67 GN (P35) Pin 35 wire K869-CP68 BU (P70) Pin 70 wire
Illustration 7 g03828554
972M and 980M steel mill 424-3778 Cab Harness As rework mark-up.Insert small harness jumpers into