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.
2000 Ford Taurus SELFACTORY OEM SERVICE PROCEDURE
Mini ISO Relay
- Remove mini ISO relay. Measure resistance between appropriate relay terminals. See MINI ISO RELAY RESISTANCE SPECIFICATIONS
table. See Fig 1
. If resistance is as specified, go to next step. If resistance is not as specified, replace relay.MINI ISO RELAY RESISTANCE SPECIFICATIONS
Between Terminals No. Resistance 85 & 86 50-100 Ohms 30 & 87a 5 Ohms Or Less 30 & 87 Greater Than 10 k/Ohms 30 & 86 Greater Than 10 k/Ohms 86 & 87a Greater Than 10 k/Ohms 86 & 87 Greater Than 10 k/Ohms - Using a fused jumper wire, connect positive battery voltage to terminal No. 85. Using another jumper wire, ground terminal No. 86. Resistance should now be 5 ohms or less between terminals No. 30 and 87 and greater than 10 k/ohms between terminals 30 and 87a. If resistance is as specified, relay is okay at this time. If resistance is not as specified, replace relay.
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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