VW Thing Voltage Regulator Parts

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VW Thing
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Electrical, Charging and Starting
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Voltage Regulator
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For replacement of numerous 12 volt regulators - may vary from original in appearance and connections. This version now comes wtih spade terminals, existing wiring modifications required if original are...
1973 VW Thing
Ships Tomorrow
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Leaves closest warehouse tomorrow.
$57.99
Reg
$60.41
List
$311.09
1973, 1974 VW Thing
Ships Tomorrow
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Leaves closest warehouse tomorrow.
$45.99
Reg
$47.91
List
$77.37

The average cost of a VW Thing voltage regulator is between $45.99 and $57.99.

What Does The VW Thing Voltage Regulator Do?

The VW Thing voltage regulator manages how much voltage the alternator or generator sends out. It makes sure the battery and the rest of the system get enough, but not too much. If the regulator fails, you may end up with fried wires or a drained battery. You’ll notice problems like dim headlights, weak accessories, or the car struggling to start. When working right, the regulator just quietly does its job, balancing power while you drive.

How Can I Tell If My VW Thing Voltage Regulator Is Bad?

If the VW Thing voltage regulator goes bad, it doesn’t hide for long. A battery that’s always dead is a clue. Headlights flicker. You get dashboard warnings—or no lights at all. Maybe you smell something strange, like melting plastic. Sometimes the battery even warps or leaks. Put a multimeter on your battery with the engine running. Numbers should stay between 13.8 and 14.2 volts. Way higher or lower, and the regulator is likely failing. Don’t forget to look for loose wires or obvious corrosion, too.

Where Is The VW Thing Voltage Regulator Located?

Pop the engine lid, and you’ll usually spot the VW Thing voltage regulator on the passenger side firewall, or right beside the generator or alternator. It’s not hard to find—usually a small, boxy unit with a few wires leading in and out. If someone upgraded to an alternator, it might have moved a bit, or even changed shape. Sometimes, you’ll need to get past hoses or move a cover for a clear view. Check your service book if you’re stuck. Location varies by year and what’s under the hood.

What Is The Correct Voltage Output For The VW Thing Voltage Regulator?

With the car running and everything switched off, check the battery. A healthy VW Thing voltage regulator keeps the charge between 13.8 and 14.2 volts. Anything under that, and you risk stalling out—too much above that, and your battery could overheat or bulge. Small changes mean it might be time for a checkup. Always test at the battery while the engine is idling. No guesswork needed, just a steady display in range means it’s working as it should.

Can I Upgrade My VW Thing Voltage Regulator To An Alternator Version?

You can swap the old generator-style VW Thing voltage regulator for one that works with an alternator. It means steadier power, less hassle finding parts, and better performance at low RPMs. The job itself is pretty straightforward—swap in the new alternator, fit the matching regulator, and tweak a couple of wires. Check that your bracket fits and the harness matches up. Sometimes, you’ll run into oddball parts or need to get creative. Once done, you’ll usually notice the improvement every time you fire up the engine.

Where Can You Find A VW Thing Voltage Regulator Fast And Easy?

When you need a VW Thing voltage regulator, AutohausAZ is a good bet. Prices are reasonable, and shipping doesn’t drag. Need to send one back? No drama. If you want a quick fix without a bunch of calls or searching, they take care of it. Your new regulator shows up fast and you’re back on the road.