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Old 12-10-2009, 05:49 PM   #1 (permalink)
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Default Fuel pump hotwire

Got around to get my pump installed and now my fuel pump doesnt turn on with the key forward....I followed the on Stealth316, but it doesn't turn the pump on when the key is forward...What could have gone bad while doing the install?



This is exactly what we did: Stealth 316 - Fuel Pump Re-Wire
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Old 12-10-2009, 08:12 PM   #2 (permalink)
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Default Re: Fuel pump hotwire

I'm also not getting power to where I bypassed the fuel pump relay(Under MAF).....I checked all the fuses and non are blown

Last edited by Felipe; 12-10-2009 at 08:26 PM.
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Old 12-10-2009, 08:18 PM   #3 (permalink)
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Default Re: Fuel pump hotwire

Bad relay perhaps? Have you tested it?
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Old 12-10-2009, 08:25 PM   #4 (permalink)
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Default Re: Fuel pump hotwire

It's brand new never used....but we tried the one my brother had in his car when his was running, and the same thing
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Old 12-10-2009, 08:26 PM   #5 (permalink)
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Default Re: Fuel pump hotwire

a fuse is NOT included in the hotwire kit. took me 3 days to figure out why the car wouldnt start. pop open that little black box and install a fuse. on stealth 316 theres a pic of a 30 amp so i just used a 30amp fuse too...
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Old 12-10-2009, 08:30 PM   #6 (permalink)
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Default Re: Fuel pump hotwire

Yeah, I checked that, and the fuse is in it
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Old 12-10-2009, 10:50 PM   #7 (permalink)
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Default Re: Fuel pump hotwire

hmmmmmmm
well i would check how you hooked the wire to the battery. (positive side)
check how it is connected to the fuel pump. double check your connections and verify the wires are in the correct place.
check your ground. i used that silverish bracket that the rear trunk struts bolt to so i know thats a good ground if your in doubt about yours.
make sure the fuel pump works. just simply pop it outta the tank and put 2 1' long wires on it and connect it directly to the battery. you should hear it start pumping.
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Old 12-10-2009, 11:52 PM   #8 (permalink)
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Default Re: Fuel pump hotwire

Yeah, we've done all that more then once...I'll try it again tomorrow, it is really annoying though...I don't know what it could be....
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Old 12-11-2009, 01:15 AM   #9 (permalink)
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Default Re: Fuel pump hotwire

buy a 10' long wire from your local hardware store and run it outside the car straight from the + side of the battery to the fuel pump, not connected to the relay/fuse or anything. just one end at the battery the other to the fuel pump. this will tell you if you are having an issue with your fuse/wire/connections or anything that this wire bypasses, or if its something in the pump, or that final connector from the wire to the pump. it might not tell you exactly what your issue is but it will tell you what the issue isnt, which is still helpful.
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Old 12-11-2009, 02:09 AM   #10 (permalink)
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Default Re: Fuel pump hotwire

Quote:
Originally Posted by THOR'SVR4 View Post
buy a 10' long wire from your local hardware store and run it outside the car straight from the + side of the battery to the fuel pump, not connected to the relay/fuse or anything. just one end at the battery the other to the fuel pump. this will tell you if you are having an issue with your fuse/wire/connections or anything that this wire bypasses, or if its something in the pump, or that final connector from the wire to the pump. it might not tell you exactly what your issue is but it will tell you what the issue isnt, which is still helpful.
Or go to a local Harbor Freight and get a Multimeter and meter at the pump with the key on, and to the body for ground. Might aswell, since the 3s platform has a ton of electronics.
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