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#1
03-06-2007, 02:39 PM
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aux pump wire color
Pick up a used aux water pump for my 300SDL.
The wires are brown and black. What does each wire represent? Thanks A 
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#2
03-06-2007, 02:53 PM
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Black is positive, brown is ground.
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RRGrassi 70's Southern Pacific #5608 Fairmont A-4 MOW car 13 VW JSW 2.0 TDI 193K, Tuned with DPF and EGR Delete. 91 W124 300D Turbo replaced, Pressure W/G actuator installed. 210K 90 Dodge D250 5.9 Cummins/5 speed. 400K
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#3
03-06-2007, 03:01 PM
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Thanks
Thank you!
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#4
03-06-2007, 03:06 PM
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Make sure you fuse the black wire with a 1 amp inline fuse, if the SDL is not already set up that way. On my 123 and the 126 if an auxwater pump fries it takes the ACC with it.
 You are welcome!
__________________
RRGrassi 70's Southern Pacific #5608 Fairmont A-4 MOW car 13 VW JSW 2.0 TDI 193K, Tuned with DPF and EGR Delete. 91 W124 300D Turbo replaced, Pressure W/G actuator installed. 210K 90 Dodge D250 5.9 Cummins/5 speed. 400K
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#5
03-06-2007, 03:09 PM
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rrgrassi,
Is the black wire hard wired to the battery or piggy backing on a fuse in the fuse box? Thanks A
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#6
03-06-2007, 03:19 PM
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It's typically fed power throught the ACC. It gets zero power when the temp is set to "MIN"
That is how it is on the w123 82-85.
__________________
RRGrassi 70's Southern Pacific #5608 Fairmont A-4 MOW car 13 VW JSW 2.0 TDI 193K, Tuned with DPF and EGR Delete. 91 W124 300D Turbo replaced, Pressure W/G actuator installed. 210K 90 Dodge D250 5.9 Cummins/5 speed. 400K
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