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Have you checked the resistance level of the wiring? Yes, the Aux water pump does draw power from the CCU, that is why many people, myself included, installed a 1 amp fuse in the power circuit of the aux wp.
That chirp sounds like a capacitor when it blows.
Have you tested the blower motor off of the battery? Have you also tested or unplugged the auw wp? Stiff motor bearings or soemthing preventing the motor from spinning will result in higher amp draw, which in turn will cause blown fuses or components.
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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.
99 W210 E300 Turbo Diesel, chipped, DPF/Converter Delete. Still needs EGR Delete, 232K
90 Dodge D250 5.9 Cummins/5 speed. 400K
Gone and still missed...1982 w123 300D, 1991 w124 300D
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