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Hammertime Offline
#1 Posted : Monday, 29 July 2013 10:53:41 PM(UTC)
Hammertime

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Greetings all.
I am trying to install a Hitachi alternator in my EH.
Wiring is the issue! - HELP!...

The car was running fine... I took out the generator but left behind the original regulator - it is a bosch with three wires labled B+ DF D+
The alternator is a Hitachi with LT-150B 109(-) 23100 P0102 - ISO stamped on the top of the casing.
On the back of the unit is a T-shaped connection labeled F and N and on the body there is a screw hole labeled E and a bolt labeled A.

My research shows that this unit was used in Datsuns and needed an external regulator.

Can anyone tell me if these two are compatible? AND - if so, how do I go about wiring them up???
I know I should probably take it to an auto elec but I'm priding myself on learning as I go and completing the majority of this project on my own!

Thanks in advance!

commodorenut Offline
#2 Posted : Tuesday, 30 July 2013 12:54:31 AM(UTC)
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Personally, I'd ditch it & use a common VN-VS V8 85A Bosch item. Very common, cheap, easy to source parts/replacement, and it bolts up to the red 6 bracket.

You may need to rotate the rear casing to get the reg in the right spot - that's as hard as it gets.

It only needs 3 wires to hook up - battery charge wire (thick one) brown wire to the dash light, and white wire to the battery (for voltage sensing).
Cheers,

Mick
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Judge a successful man not on how he treats his peers, but on how he treats those less fortunate.
Premier 350 Offline
#3 Posted : Wednesday, 31 July 2013 6:02:37 PM(UTC)
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I doubt the regulator & Hitachi are compatabile.
I'd be using an internal regulated Bosch alternator.

One wire connection.
Attn camry drivers. The accelerator is the skinny pedal on the right.
Dr Terry Offline
#4 Posted : Thursday, 1 August 2013 10:42:52 PM(UTC)
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The old generator's regulator will not work with the Hitachi alternator,

As the others have suggested just use a later Holden/Bosch alternator which will fit straight on with no mods.

Use one off any Holden 6 or V8 from HJ to VK, including the brackets. These have an internal reg, so no extra wiring is required.

You can still buy a new Bosch unit (part no. BXH1238A) with a 70 A output to do the job.

Dr Terry
If at first you don't succeed, just call it Version 1.0
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