Ford Expedition 1998 — technical service bulletin
Bulletin 13420 · NHTSA communication 609685 · issued Oct 1, 1999
Technical service bulletin
communication type
Electrical System
component
1998
model years
2
vehicle entries
Official summary
This bulletin mentions the wiring schematic for vehicles with heated seats was inadvertently omitted from the electrical vaccum troubleshooting manual (evtm). *tt
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.