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Sc300 fuel system

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Old 06-05-13, 02:32 PM
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Brianmoss
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Default Sc300 fuel system

I'm looking into doing a direct power line to the fuel pump since I can't seem to get my fuel pump to come on does anyone have a write up on how to do this?......... I checked every fuse,every relay, did the 12v mod,replaced the fuel pump and I still can't get my cars fuel pump to turn on..... Can someone give me some help?

Last edited by Brianmoss; 06-05-13 at 10:51 PM.
Old 06-05-13, 05:27 PM
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Brianmoss
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Any suggestions or thoughts will help as I've exhausted every search on this forum and any option I had possible please help.

Last edited by Brianmoss; 06-06-13 at 08:07 AM.
Old 06-06-13, 07:38 AM
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Ali SC3
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the 12v mod should do that, there may be a more direct way but I have not done it. you could even have a bad pump if its not working with the 12v. Also check the fuse for the injectors.
Old 06-06-13, 08:03 AM
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Brianmoss
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Befor I installed the pump I turned it on just to make sure it was working so it's not the pump. I've already gone through every fuse and reley in the engine bay and kick panels it's not one of those either. The only option I have now is to hard wire the pump directly and I need a diagram.
Old 06-07-13, 06:09 PM
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Brianmoss
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Just dropped the car off at the shop couldn't take it anymore. I'll write back with the issue
Old 06-08-13, 08:37 AM
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Brianmoss
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It was the damn ground........ The 3 10mm bolts that hold the fuel pump hanger inplace are also the ground for the fuel pump all I needed to do was wire brush them off and it started right up.
Old 06-08-13, 09:37 AM
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1JZPWRD
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Glad you got it figured out.
Old 06-08-13, 01:28 PM
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Those grounds get me almost every time, no kidding. -_- Replacing the tranny, forgot to connect the starter ground. Gave my heart a racing when it didn't even try to turn over.
Old 06-08-13, 02:51 PM
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Brianmoss
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Haha yeah I'm just Upset because now I'm only firing on 4cyl now. No onto the next task....
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