NHTSA Investigation RQ99012

PE98004 — 1998 NAVISTAR 3800 — ELECTRICAL SYSTEM — February 5, 1998

PE96028 — 1990 NAVISTAR SCHOOL BUS — EXTERIOR LIGHTING:TURN SIGNAL:FLASHER UNIT — April 17, 1996

PE94066 — 1985 NAVISTAR NAVISTAR — VEHICLE SPEED CONTROL:LINKAGES — August 19, 1994

EA94030 — 1990 NAVISTAR SCHOOL BUS — POWER TRAIN — August 19, 1994

EA94021 — 1992 NAVISTAR SCHOOL BUS — SERVICE BRAKES, HYDRAULIC — June 30, 1994