MAMUSTANG ATLASTHE ENTHUSIAST'S REFERENCE
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2016 workshop · Lighting

Headlamps

417-01 Exterior Lighting

2016 MustangReference 5,626 / 6,619HTML edition
← Chapter contentsProcedure contents

Ignition OFF. Place the headlamp switch in the OFF position. Disconnect: LH Headlamp C1021 or RH Headlamp C1041. Ignition ON. Place the headlamp switch in the HEADLAMPS position. Measure:

Click to display connectors

LH Headlamp

Positive Lead

Measurement / Action

Negative Lead

C1021-10

Ground

Click to display connectors

RH Headlamp

Positive Lead

Measurement / Action

Negative Lead

C1041-10

Ground

Is the voltage greater than 11 volts?

Yes

GO to A3

No

REPAIR the circuit.

A3 CHECK FOR VOLTAGE FROM THE HEADLAMP LOW BEAM POWER SUPPLY CIRCUIT

Measure:

Click to display connectors

LH Headlamp

Positive Lead

Measurement / Action

Negative Lead

C1021-1

Ground

Click to display connectors

RH Headlamp

Positive Lead

Measurement / Action

Negative Lead

C1041-1

Ground

Is the voltage greater than 11 volts?

Source reference 5626

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.