Symptom Chart
WARNING: This page is about a different car, the 2021 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods .
| Condition | Actions |
|---|---|
| An auxiliary switch controlled component is inoperative | GO to Pinpoint Test A |
| All auxiliary switch on indicators or controlled components are inoperative or always on | GO to Pinpoint Test B |
| To install the upfitter switches on a vehicle that was not originally equipped from the factory | For truck body builder advisory service bulletins, REFER to www.fleet.ford.com. |