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Home >> Ford >> 1989 >> Thunderbird Base >> Repair and Diagnosis (Single Page) >> Suspension >> Electronic Suspension >> Auto Ride Control System >> Module Input Circuit Diagnosis >> Quick Test D6 >> Switch Positions

Switch Positions

Move ride control switch to "FIRM" position. If ride light stays on, proceed to QUICK TEST D7. If firm light turns off, switch positions reversed. Replace control switch.

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