TB-9-2510-251-13 HMMWV Operator and Field Maintenance, Installation & Parts Add-On-Armor Air Conditioning Download
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2-31 TB 9-2510-251-13 2-1.1 Installation of Air Conditioning Kit to M998 and M998A1; M1037; M1097 and M1097A1 with GSIE Add-on-Armor (Cont’d). e. Install Electrical Harnesses (Cont’d) 27D Figure 2-41.1 Power Distribution Panel RUBBER GROMMET Figure 2-41 Electrical Harness Routing (Evaporator) (3) Power Distribution Panel (PDP). a. Remove screws and open PDP. b. Attach air conditioner control panel to dashboard with four screws. Make sure rubber grommet is in slot of metal box to protect wires. c. Route short two-wire extension from control panel wire harness through gap under dash near heater switch and up into power distribution panel (PDP). d. Locate ignition controlled power wire (center wire labeled “27D”) supplying power to vehicle heater switch. e. Remove larger end cap from T-splice connector and attach to wire 27D, approximately four inches from heater switch. f. Remove smaller end cap from T-splice connector and attach white wire from control panel extension. g. Close PDP and install screws. (4) Condenser. a. Attach female end of completed harness to the male connector on the condenser unit harness. b. Route harness down rear of cab, following refrigerant lines to drier.