Lotus Elan

Positive earth S3

PostPost by: Dieschelan » Sun Dec 24, 2017 4:06 pm

Hi

My elan S3 is positive earth. Should I change it to negative earth? Si there some benefit?

Regards
Dieschelan
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PostPost by: Concrete-crusher » Sun Dec 24, 2017 4:14 pm

I changed my positive earth to negative , it's quite easy.

The benefits are , 1st you can install an alternator which are all negative earth , you can fit modern radio / audio equipment if you choose.

But you have to re-wire the tacho , internally other than that i think everything else works.

Steve
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PostPost by: john.p.clegg » Sun Dec 24, 2017 6:04 pm

Don't forget the coil..

John :wink:
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PostPost by: Elan45 » Tue Dec 26, 2017 3:29 am

And your window control switches will work backwards until you reverse the wiring on the back of the switches.

Roger
'67 Elan S3 SS DHC
'67 Elan FHC pre-airflow
'67 Elan S3 SE upgrade to 26R by Original owner
'58 Eleven S2 (ex-works)
'62 20/22 FJ (ex-Yamura)
'70 Elan +2S RHD
'61 20 FJ project
'76 Modus M1 F3
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