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Author Topic: Voltage regulator question  (Read 851 times)

Offline toolittletime

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Voltage regulator question
« on: October 28, 2022, 03:21:07 PM »
I have the voltage regulator pictured on my 1974 Eldorado. I have Greg Benders wiring harness and relay setup. I recently checked the voltage when revving up the rpm's and
saw that the regulator jumped up over 16 volts dc. This seems high to me. Is there any adjustment on these regulators?
Thanks.........Tim



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Offline Antietam Classic Cycle

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Re: Voltage regulator question
« Reply #1 on: October 28, 2022, 04:03:12 PM »
I found this after a bit of Googling:
https://www.thesamba.com/vw/archives/manuals/voltage_regulator_diagram.jpg

After finding a few of those electromechanical units defective right out of the box, I switched to buying genuine Bosch solid-state voltage regulators. https://www.ebay.com/itm/115043066635
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Charlie

Offline Kiwi_Roy

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Re: Voltage regulator question
« Reply #2 on: October 28, 2022, 06:08:48 PM »
Yes the Bosch regulator is adjusted by bending the spring stop D
« Last Edit: October 28, 2022, 06:12:37 PM by Kiwi_Roy »
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Offline bigbikerrick

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Re: Voltage regulator question
« Reply #3 on: October 28, 2022, 06:11:55 PM »
Great find, Charlie. I vaguely remembered those Bosch regulators being adjustable, from my "air cooled bug " days. Youre Da man!
RICK
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Offline toolittletime

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Re: Voltage regulator question
« Reply #4 on: October 29, 2022, 07:32:02 AM »
I'll try to adjust it today and let you know the results.
Thanks guys!!
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Offline pressureangle

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Re: Voltage regulator question
« Reply #5 on: October 29, 2022, 08:31:12 AM »
Adjustment of mechanical regulators is really nothing more complicated that bending a tab to increase or decrease spring pressure. Somewhere around here I saved the instructions from a Standard Motor Products unit a half century ago, but in it's stead here's a generic instruction-.

https://waterpumps.tpub.com/TM-5-4320-215-12/img/TM-5-4320-215-12_61_1.jpg
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Offline toolittletime

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Re: Voltage regulator question
« Reply #6 on: October 29, 2022, 03:54:46 PM »
Fiddled with it for a few hours today....now it's not charging......order ed one of the ebay ones suggested by Charlie.
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