Ford Mustang (1999-2004) Service Manual: Turn Signal and Hazard Lamps
Refer to Wiring Diagrams Cell 90 , Turn/Stop/Hazard Lamps for schematic and connector information.
Special Tool(s)
73 III Automotive Meter 105-R0057 or equivalent |
Inspection and Verification
1. Verify the customer concern.
2. Visually inspect for the following obvious signs of mechanical and electrical damage.
Visual Inspection Chart
Mechanical |
Electrical |
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3. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
4. If the cause is not visually evident, verify the symptom and refer to the Symptom Chart.
Symptom Chart
Condition | Possible Sources | Action |
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Pinpoint Tests
PINPOINT TEST J: THE TURN SIGNAL LAMPS ARE NEVER ON
Test Step | Result / Action to Take |
J1 CHECK THE VOLTAGE TO THE ELECTRONIC FLASHER | Yes GO to J2 . No REPAIR the circuit in question. TEST the system for normal operation. |
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J2 CHECK CIRCUIT 44 (LB) | Yes GO to J3 . No REPAIR the circuit. TEST the system for normal operation. |
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J3 CHECK THE CONTINUITY OF THE MULTIFUNCTION SWITCH | Yes INSTALL a new electronic flasher. TEST the system for normal operation. No INSTALL a new multifunction switch. REFER to Section. TEST the system for normal operation. |
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PINPOINT TEST K: THE HAZARD FLASHER LAMPS ARE NEVER ON
Test Step | Result / Action to Take |
K1 CHECK THE VOLTAGE TO THE ELECTRONIC FLASHER | Yes GO to K2 . No REPAIR the circuit. TEST the system for normal operation. |
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K2 CHECK CIRCUIT 385 (WH/RD) | Yes GO to K3 . No REPAIR the circuit. TEST the system for normal operation. |
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K3 CHECK THE CONTINUITY OF THE MULTIFUNCTION SWITCH | Yes INSTALL a new electronic flasher. TEST the system for normal operation. No INSTALL a new multifunction switch; REFER to Section. TEST the system for normal operation. |
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Stoplamps
Refer to Wiring Diagrams Cell 90 , Turn/Stop/Hazard Lamps for schematic and connector information. Special Tool(s) 73III Automotive Meter or equivalent 105-R0057 Inspection and Ve ...Parking, Rear and License Lamps
Refer to Wiring Diagrams Cell 92 , Exterior for schematic and connector information. Special Tool(s) 73 III Automotive Meter or equivalent 105-R0057 Inspection and Verification 1 ...Other materials:
Child seat positioning
WARNING: Airbags can kill or injure a child in a child seat.
Never place a rear-facing child seat in front of an active airbag.
If you must use a forward-facing child seat in the front seat, move the
vehicle seat upon which the child seat is installed all th ...
Ignition Switch
Removal
1. Disconnect the battery ground cable.
2. Remove the lower instrument panel steering column cover.
1. Remove the screws.
2. Remove the lower instrument panel steering column cover.
3. Remove the instrument panel reinforcement.
1. Rem ...
Reservoir
Removal
WARNING: Brake fluid contains polyglycol ethers and polyglycols.
Avoid contact with
eyes. Wash hands thoroughly after handling. If brake fluid contacts eyes,
flush eyes with
running water for 15 minutes. Get medical attention if irritation persi ...