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Spare voltage regulator has electrical outlet 200 1990

I have a couple spare alternators and I used a voltage reg.(Bosch)from one and it was a little different than the one I took off my alt.It looks the same except it has a place for something to plug in to it(2 prong connector).I'm not sure if the alternator was from a 240,it is a Volvo (bosch) alt.70 amp, 14V.The VR looks newer and the brushes are well within specs.
Anyway it's working and my battery is showing 14.4 volts on the voltmeter at idle.I was just wondering what this connection is for.
--
philvo '86 245 215k,'90 240 196k,'87 SAAB 900 SPG 213k








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Spare voltage regulator has electrical outlet 200 1990

The regulator is from a 740, some 740s have a battery temp sensor that will adjust voltage if/as the battery gets hot. Long as it works don't worry.

--
Dave Shannon
Spring Valley, California (San Diego area)
'84-245 200K+
'84-245T 190K+
'88-240 190K+
'92 745Ti 150K
'01 Jeep Wrangler Sahara 10K
www.volvo2.homestead.com







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