MAMUSTANG ATLASTHE ENTHUSIAST'S REFERENCE

2016 workshop · Lighting

Headlamps

417-01 Exterior Lighting

2016 MustangReference 5,648 / 6,619HTML edition
← Chapter contentsProcedure contents

Positive Lead

Measurement / Action

Negative Lead

C205-10

Ground

C205-11

Ground

C205-12

Ground

C205-13

Ground

Is any voltage present?

Yes

REPAIR the circuit in question.

No

GO to E9

E7 CHECK THE HEADLAMP RELAY

Ignition OFF. Place the headlamp switch in the OFF position. Disconnect: LH Headlamp Relay or RH Headlamp Relay. Ignition ON.

Does the headlamp remain illuminated?

Yes

REPAIR the low beam voltage supply circuit between the headlamp relay and the headlamp assembly for a short to voltage.

No

GO to E8

E8 CHECK THE LOW BEAM BCM (BODY CONTROL MODULE) CIRCUIT FOR A SHORT TO VOLTAGE

Ignition OFF. Disconnect: BCM C2280G. Ignition ON. Measure:

Click to display connectors

LH Headlamp

Positive Lead

Measurement / Action

Negative Lead

LH Headlamp Relay Socket Pin 1

Ground

Click to display connectors

RH Headlamp

Positive Lead

Measurement / Action

Negative Lead

RH Headlamp Relay Socket Pin 1

Ground

Source reference 5648

2016 Mustang workshop publication supplied to Mustang Atlas. Original technical text and illustrations; HTML formatting by Mustang Atlas. Source page numbering is retained for traceability. Follow the configuration, revision, warnings, and cross-references in the material. About this edition.