Installing EZ Wiring Universal Wiper Kit And Correctly Setting The Maximum Sweep

With all the tubing cut and flared, I installed them on the cable, as well as the gearboxes, to determine the length of cable needed. Adding the amount, which protrudes from the motor while in operation, plus an extra inch, gave me my measurement, and the cable was cut accordingly. Why the extra? So there’s enough cable to move past the second gearbox when the motor is switched on.

Looking up under the cowl, you can see the wiper motor bolted through the firewall (and through the sound deadener too, which should help reduce noise and vibration) and the drive cable tubing routed to the first gearbox, then on toward the second.

Here’s how the tubing clamps in the gearboxes, again with flared ends to locate the cable runs through the centersection, turning the gear, and hence the shaft, as it moves.

The driver side gearbox was mounted upside down in relation to the first one, meaning the wipers will work in opposite directions, just like the originals. Note the extra tubing on the “exit” side of the gearbox, to accommodate the cable that passes through the gearbox during operation.

Down to the wiring now, and here are the two ends of the four-wire “harness”. One end has a plug that snaps into its mate on the motor, the other has two spade connectors and a pair of bare wires. The white wire is for low speed, with high speed being the blue wire. Black is ground and brown is for the self-park feature.

The backside of the switch. The white, blue, black, and brown wires are described in caption 25, while the 12V live feed is the red wire, and the unused terminal (so far) is for the windshield washers.

With everything working fine, I installed the splined wiper drives, selecting the smaller of the two sizes supplied, as they matched a set of stainless wiper arms I had kicking around in my toolbox.

Actually, I have several odd stainless wiper arms that I’ve collected over the years, but only two matching pairs, one of which will now live on the pickup. Wouldn’t mind another of those “bent” ones in the foreground, with the opposite bend of course, but I have no idea where it came from. EZ Wiring supplied a pair of springs (foreground) in the kit too, to provide perfect tension for the wipers.

OK, so the glass isn’t in—with it stripped down this far I’m going to take the opportunity to paint the truck now—but using the old glass templates was the perfect way to work out the arc required, and I didn’t risk scratching the glass with the sprung arm. Now to locate some 7-inch stainless wiper blades and cut those arms down a tad.