Symptom Chart
WARNING: This page is about a different car, the 2020 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
| Symptom | Possible Sources | Action |
|---|---|---|
| All auxiliary switch controlled components are inoperative. | Refer to the pinpoint test. | GO to Pinpoint Test B |
| Some , but not all, auxiliary switch controlled component are inoperative. | Refer to the pinpoint test. | GO to Pinpoint Test A |
| All auxiliary switch ON indicators are inoperative. | Refer to the pinpoint test. | GO to Pinpoint Test B |
| Some , but not all, auxiliary switch ON indicators are inoperative. | Upfitter (auxiliary) switch assembly | INSTALL a new auxiliary switch assembly REFER to: Auxiliary Switches . |
| To install the upfitter switches on a vehicle that was not originally equipped from the factory. | None | For truck body builder advisory service bulletins, REFER to www.fleet.ford.com. |