44 Section 180 2001 LIGHT TRUCK FLEET YEAR MODEL RESTRICTIONS PART NO DESCRIPTION ISBS74 WIRING ASY gHEATER BLOWER MOTORFEED F SERIES 01 Fssz 18B574 AA 1 01 F150 YLBZ 18B574 AA lurnper wire to heater blower molar and 1 7 1 es1sw1 R RANGER 1 b F7SZ 1915624 BA 1 FSVZ l9E624 BA 1 i F 5 M TE XPEDITI0 Ol Fssz 1a1asv4 AA 1 01 TE wi1 hcut ATC YL3Z l8B574 AA Jurnper wire mhzater blower mmm and 1 1 es1sn r 01 TE YLBZ 18B574 AA 1 urnper wire to heanerblower motor and 1 remwr TW INDSTAR 01 XF2z 1 1ss1 AA 1 18578 SWITCH ASY QHEA TER BLOWER MOTOR Also Refer tn Groupgsg 1 19986 DM 1LLAcER 01 DM w healer only F3XY 18578 A Mode 1 YH 546 01 DM w integral or dlr imallcd A C KKXY l857S B Main fun switch from 1 YH 547 E SERIES 01 12150 12250 mso Aux mm 1 11x Esuz 1857B A 1 A C YH450 R RANGER 01 11 w hearer onl 1 s1z msvs B 1 18C58l HARNESS ASY A C AND HEATER VACUUM HOSE B XPLORER 1 11 YIJZ l8C5Bl AA 1 S1 XPLORER SPORT TRA 01 YLSZ 111css1 AA 1 U7 XPLORER SPORT 01 YLSZ l8C58l AA 1 BN OUNTAINEER BN mz 1 11 YLSZ 1BC581 AA I E SERIES 01 E1s0 122s0 12as0 1 4s11p 11n111y xczz 1scss1 AA 1 w inte ral A C LI EXCURSION 01 F81Z 1SC581 AA 1 1 101111e1s4711s 1 F SERIES 01 FZ50 Super Duty R 5G S11perDuty FSIZ l8C58l AA Parmfthu 18471 asy 1 f F45O 11 1011 F550 su 1D11 M1 SCAPE 01 Ymz 1 c5 1 M 1 R RANGER 01 11 e1ecLr1c venue FBYZ ISCSSI AA 1 1 17 YLSZ ISCSBI AA 1 01 R Electric s1 11 vemue Yusz 18C5B1 AA 1 TW INDSTAR Ol mz 1scsa1 AA 1 01 TW x1 2z l8C5S1 AA 1 I 18A587 sm TW INDSTAR 1 11 FSBZ l8A597 AA 1 4 01 W WM I