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post #1 of 1 (permalink) Old 08-17-08, 07:28 PM Thread Starter
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confused question about master cylinder

Hi, troubleshooting an electrical prob on a 96 F-150 and had question. Float switch conn'n on MC has 3 contacts (gnd, y and gr on harness that mates with it). According to Ford schematic, the Y and G wires connect to contacts on the MC that both are internally wired to one pole of a normally open switch. The other pole is the Gnd or output. Question is, if I remove the connector and attach an ohmmeter between the contacts on the MC that the G and Y wires would use I don't get continuity. Also, I don't get continuity between either of these two contact and the third when the float is pushed down. Shouldn't pushing the float down close the switch??? Do I have a damaged switch and can it be replaced?


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