TM-9-2350-311-34-1 Maintenance Manual for Volume 1 M109 Hull Download
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TM9-2350-311-34-1 7-1 POWERPLANT AND HULL WIRING HARNESS LISTING — CONTINUED Circuit/ Wire No. Circuit Name: 520 Not used 588 Circuit breaker-to-fuel pump primer switch power lead 588L Not used L1 and L2 Telephone circuit leads 588 Not used 7-2 CIRCUIT IDENTIFICATION AND ILLUSTRATION OF WIRING HARNESSES (M109A2/M109A3) NOTE Electrical cables are marked with wire-numbered metal tags attached to junction of the terminal of cable. All electrical ciruits shown in schematics and wiring diagrams are identified by wire numbers listed in each area. LEGEND 1 2 3 4 5 6 7 8 12 13 14 Wiring harness 12268102— Alternator-to- rectifier Wire 82— From master relay to wire 82/49 Wire 27B — From wiring harness 12268100 to voltage regulator Wire 2 — From voltage regulator to wire 81 Lead 11593784 or 12260266— From bulkhead connector to slave start receptacle (wire 49) and to circuit breaker panel (wire 10) Wiring harness 10925829 — From accessory control box to air cleaner blower assembly Wiring harness 10925829 — From accessory control box to heater fuel pump and personnel heater Lead 11593784 or 12260266— From circuit breaker to: 9 Slip ring segment board (47) 10 Telephone terminal (21 and 22) 11 Accessory control box (37 and 38) Wiring harness 12260298 — From driver’s compartment/connector to portable instrument panel Wire 7 — Battery to ground Wiring harness 12260287 — Bulkhead connector to driver's compartment connector bracket 15 16 17 18 19 20 21 22 23 24 25 26 27 Wiring harness 11594268 — Bulkhead connector-to-driver's instrument panel Wire 68 — Battery positive-to-negative connectors Wire 81 — From batteries to master relay Wiring harness 11593806 — Rectifier-to-voltage regulator Wire 82/49 — Engine starter from lower powerplant connector bracket to bulkhead connector Wiring harness 12268100— Engine instrumentation bulkhead connector-to- powerplant connector bracket Ground wire — Powerplant to hull Wiring harness 12268102 — From bulkhead connector to engine instrumentation Wire 82 — From bulkhead connector to engine starter Wiring harness 10921380 — To headlight assemblies Wire 452 — Bilge pump relay to bilge pump Wire 29-31 — To fuel level transmitters Wires 76— To fuel tank fuel pumps Wire 352A and 352B — From wiring harness 12268102 to aeration detector 7-4