Pinpoint Test B: Both Low Beams Are Inoperative
WARNING: This page is about a different car, the 2008 Ford RV Cutaway, 2008 Ford Econoline, 2008 Ford E450 Super Duty, and 2008 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.
- B1 CHECK THE HIGH BEAM HEADLAMPS
- Key in OFF position.
- Place the headlamp switch in the HEADLAMPS ON position.
- Place the multifunction switch in the HIGH BEAM position.
- Do the high beams illuminate?
- YES : Go to B2.
- NO : Go to Pinpoint Test A .
- B2 BYPASS THE MULTIFUNCTION SWITCH
- Place the headlamp switch in the OFF position.
- Disconnect: Multifunction Switch C202b
- Connect a fused (20A) jumper wire between the multifunction switch C202b-9, circuit 15 (RD/YE), harness side and the multifunction switch C202b-12, circuit 13 (RD/BK), harness side.
- Place the headlamp switch in the HEADLAMPS ON position.
- Do the low beams illuminate?
Fig 1: Connecting Fused (20A) Jumper Wire Between Multifunction Switch C202B-9 & C202B-12, Circuit 15 (RD/YE) & 13 (RD/BK)Courtesy of FORD MOTOR CO.
- YES : REMOVE the jumper wire. INSTALL a new multifunction switch. REFER to STEERING COLUMN SWITCHES article. TEST the system for normal operation.
- NO : REMOVE the jumper wire. REPAIR circuit 13 (RD/BK) for an open. TEST the system for normal operation.