Diagnosing an Alternator on a Range Rover Classic (Post #675) 10/13/2024

There’s a lot in this video. I get the handle on the lift gate installed. And I diagnose the alternator issues. It becomes pretty clear early in the video that I haven’t wrenched in a long, long time.

I get the lift gate handle installed first. The spring failed, if you remember, and I sourced a selection from Amazon and got lucky there was one in there that, with a little adjustment, fit perfectly. I got it all put back together and reassembled all the bits using stainless steel hardware.

It feels good to have something finally done. It was a little task but it was necessary.

Then I began to investigate the alternator. The Range Rover just died in the driveway the last time I ran her. The battery was D-E-D, dead.

I removed the alternator, let’s call it the NEW alternator because it is. This took way too long. I struggled greatly. It was my conclusion that the NEW alternator had a failed diode pack. I’ve seen it before.

Once I got it removed I took it to NAPA to get it tested. Turns out Moore NAPA where the last two alternators were replaced would not look at it. They pointed me to Norman NAPA which is not a corporate store. At some point there’s going to be a pissing contest about who owes me for a core.

The Norman store pointed me to C&P Auto Electric. It just so happens they are one of the last establishments still fixing alternators and starters in the Oklahoma City metro area. Christian tested both alternators and under load. He reported both were working as expected. He said the diode pack would make a loud noise if it were failing. I asked him what he charged and he said nothing. I was very thankful and insisted I pay him something for the trouble. I thanked him for the help, gave him $5.00(US) and told him to buy a milk shake on the way home.

I brought both of them back to the house. Something Christian said, “You probably have another broken wire somewhere telling the alternator not to charge the battery.” Well it turns out that was good advise. I looked at the wiring for the back of the alternator and noticed there was a wire that was just a shadow of it’s former self.

I fixed it, got everything hooked back up and got her started up and as you will see in the next video she is charging the battery again. I’m still pretty sure I have parasitic drain somewhere. I’m testing that overnight and I’ll have to sort it out if its still there.

The last bit of the video I show you what my wife’s brother-in-law John cooked up for me on the engraving laser at his college. I had a crazy idea to make a logo for Tumbleweed Garage. I’ve mentioned his Youtube channel before. Any way, I drew up this logo from one the Willys Overland company had for their automobiles and John burned it on some anodized aluminum.

I had him burn some of my logo too! It was fun to do and now I’m wondering if I really need one of those in my shoppe. (probably not, too expensive).

I’m off all week for “vacation”. Mrs. Okierover has started calling the shoppe a “resort” because that’s where you go when you are on vacation.

Like and subscribe. Thanks for reading and Happy Rovering.

https://youtu.be/rvntDd87GBI
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