Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
1990 Ford Taurus SHOFACTORY OEM SERVICE PROCEDURE
Circuit Protection Devices
CAUTION:
DO NOT connect or disconnect Air Bag System Diagnostic Module (ASDM) electrical connector unless module mounting tabs are securely bolted (grounded) to vehicle. ALWAYS disconnect and isolate battery negative cable before servicing system.
CIRCUIT PROTECTION DEVICES LOCATION
| Component | Location | ||
|---|---|---|---|
| Circuit Breakers | |||
| Horn/Cigar Lighter | In cavity No. 12 of fuse block. See Figure . | ||
| Rear Wiper/Washer | Near rear wiper switch. | ||
| Windshield Wiper/Washer | In cavity No. 2 of fuse block. See Figure . | ||
| Fog Light Fuse | Near fuse block. | ||
| Fuse Block | Lower left side of dash. See Figure . | ||
| Fusible Links | |||
| ABS Motor Relay (Dark Green) R | At starter relay. | ||
| ABS Power Relay (Dark Green) P | At starter relay. | ||
| Alternator (Dark Green) G | At starter relay. | ||
| Charging System (Dark Blue) F | At starter relay. | ||
| Defroster (Black) C | At starter relay. See Figure . | ||
| EEC Module Fusible Links | |||
| (Brown) J (2.5L & 3.0L SHO) | At center of engine bay. | ||
| (Dark Blue) K (Except 3.0L SHO) | Near starter relay. | ||
| (Dark Green) H (3.0L & 3.8L) | Left side of radiator. | ||
| (Dark Blue) N (3.0L SHO) | Taped to right headlight junction harness. | ||
| (Dark Green) S | At left front of engine bay. | ||
| Fuse Box (Black) D | At starter relay. See Figure . | ||
| Heated Windshield (Brown) A (3.0L & 3.8L) | At alternator output control relay. | ||
| Ignition Switch (Black) E | At starter relay. | ||
| Ign. Switch (Dark Blue) B | At starter relay. See Figure . | ||
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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