fuel pump fuse blowing

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drifterjay
Posts: 43
Joined: Thu May 25, 2006 10:35 am
Car: 72 Porsche 914 V8 autox car 90 240sx beater

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Alrighty, finished changing out my engine last night (Ka24de), blew a head gasket last weekend, just did a straight replacement. Motor ran nicely all day, with being turned on and off multiple times. Went to move the car, and the fuel pump fuse blows (10Amp). Checked all wiring, all grounds are tight. Experimented with different fuses. Blew everything up to a 30 amp. When using the 30 amp, the starter shudders, and grinds after about 3 seconds of cranking. All while I cant hear the fuel pump. Any ideas or suggestions? Bad pump?

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180fan
Posts: 7799
Joined: Sat Dec 14, 2002 12:16 pm
Car: 89 fastback

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bad ground. is this a walbro by any chance?
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drifterjay
Posts: 43
Joined: Thu May 25, 2006 10:35 am
Car: 72 Porsche 914 V8 autox car 90 240sx beater

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all grounds super tight...sanded bases, new nuts, no paint where grounded...stock pump..
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