Question about Ford F-250
Here is a site with the complete wiring diagrams for the 1974 and 1976 Ford Trucks, F100, F150, F250, and F350:
If those wiring diagrams don't help, you can purchase the 1975 F250 complete wiring diagrams here:
Posted on May 29, 2011
I am not sure what you mean by a zh switch is this an aftermarket brand? but in any case you have to have more than a switch you will need a wiper delay controller you see when you turn on the delay system all the switch does is send power to the delay controller then the controller operates the wiper system. some of the old switches had a variable resistor built into them that all it did was slow the wipers down and some a a long timed flasher can that would delay the wipers but they were not adjustable when you turned on the delay the wipers would just delay at one speed.
i hope this helps
let me know if there is any thing else i can do for you.
Posted on May 28, 2011
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Posted on Jan 02, 2017
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