[T3] Fuel Pump Power

Jim Adney jadney at vwtype3.org
Sun May 26 18:32:58 PDT 2013


On 27 May 2013 at 1:07, Daniel K. Du Vall wrote:

> OK spent today working on the fuel system up front on my 72 SB. Now I
> am using the original wires that I found a red and a brown and from my
> past questions and experience is my thinking correct that the red is +
> and the brown is - with the brown stating that it's a ground that is
> grounded else ware? 

Both wires come thru a firewall grommet under the dash and to the 
left of the steering column. The brown wire goes under a nearby screw 
and is thus grounded to the body. The red wire comes from the fuel 
pump relay and provides +12 V whenever the fuel pump relay is active.

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Jim Adney, jadney at vwtype3.org
Madison, Wisconsin, USA
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