I could do both with a diode, thanks for the idea.
In other news, the truck has always had an issue with the camper in the bed where I punch it from a dig and the wheel rotates to the right. This means either the left side is toeing out or the right side is toeing in. When I hit the brakes and the front end dives back down, the wheel spins back to straight or left of straight. I decided to go after the lower control arm bushings as those appear to be the cause of the wife's Envoy doing the exact same thing. What a f'in mess. I expected it to be more of an asspain than initially projected, which it was. I did not expect the ball joint press to fail me to the point that I had to yank the arms and take them to a hydraulic press tomorrow. Check out this garbage. The bushings install from the outside in and the bolts install from the inside out. Which means the damned diff and axle flanges sit dead in the way. Makes me want to dig up dead engineers and shoot them in the face.
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So we had to leave the opposite side loosely installed and drop the applicable side to sneak the damned bolt out. They're not going back in the same way. Either that or I learn tomorrow why it is this way to begin with.
And here you can see the ball joint press coming up short. The press itself was too short for the stack up needed to send these mf'ers home and pushing on the rubber got us this far.
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So tomorrow you'll get to see whether or not the lowers were the cause or if it's the uppers that I don't want to deal with because it'll involve an alignment.