# Calling subaru people... Fuel Pump voltage troubleshooting help.

**URL:** https://forums.speedlife.net/t/calling-subaru-people-fuel-pump-voltage-troubleshooting-help/249872
**Category:** Shift518 Automotive
**Created:** [January 21, 2010, 4:55pm UTC](https://forums.speedlife.net/t/calling-subaru-people-fuel-pump-voltage-troubleshooting-help/249872 "2010-01-21T16:55:30Z")
**Posts on this page:** 1
**Showing post:** 20

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### Author: ![KrazyKid](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/krazykid/32/6371_2.png) [@KrazyKid](https://forums.speedlife.net/u/KrazyKid)
#### Post date: [January 26, 2010, 5:51am UTC](https://forums.speedlife.net/t/calling-subaru-people-fuel-pump-voltage-troubleshooting-help/249872/20 "2010-01-26T05:51:14Z")

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> [@Gumball Fatality](https://forums.speedlife.net/t/gumball-fatality/28728/79):
>
> Relay or fuse…sounds like you’re talking about the main fuse(or am I mistaken)
> 
> the .36 volts is interesting. unplug the main PCM clip and test for it again. possibly capacitive discharge from pcm, then again it could be from any crossed module.
> 
> hmmmmmmmmmmmmmm…

If you look on the drivers side, top of the fender next to the battery the fuse box there. looking down on it its the second (closest to the firewall) FLM type I think it is called 30A fuse. The tall green ones that snap in with female spade terminals inside the green housing and a clear plastic cover to view the fuse element.

Yeah I will disconnect the FP relay, PCM one you had me probe out, and anything I can see under the dash and the short goes away I will plug them in one at a time and work that way.

If everything is unplugged, and it still has a short who knows.

Where is the PCM anyway in this car? Maybe the computer is fried. This thing sits in the summer time, so it is a prime mouse house… so who knows what could have been chewed threw into and could be shorting out.

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