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Old 12-03-2010, 06:34 PM   #39 (permalink)
bdl99
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Join Date: Oct 2010
Location: NJ
Posts: 244
Drives: Nissan GT-R 2011
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Quote:
Originally Posted by wheee! View Post
I believe the earth (ground) will be the centre two poles on the left side. The 12V feeds to the Hi and Lo settings as they are selected so i believe they use the centre two pins for separate grounds so both lights don't come on at the same time.
I wasn't certain so I thought I would go take my car to pieces and the switch looks be exactly the same. Did you meter in situ?

Looking at the switch

1 2
3
4
5 6

It looks to me like 2 and 6 are the illumination circuit and if measured in situ that would explain the lower voltage

3 is +12V from relay feed for heated seats
1 goes positive in one position (1 and 3 being connected)
4 goes positive in the other position (3 and 4 being connected)
5 is ground use to illuminate the position 1 and 2 lights based on position of switch

and obviously in the central position 3 isn't connected to either 1 or 4
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