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Home >> Ford >> 1990 >> Bronco II 4WD, Standard, FM146 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Test H - Fuel Control >> Test H: Step 15 >> All Others
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All Others

Measure resistance between test pin No. 49 at the breakout box and battery negative terminal.

On all above vehicles, measure resistance between test pin No. 29 at the breakout box and HEGO SIGNAL at the vehicle harness connector.