30 amp fuse to Computer blown - Ford Powerstroke Diesel Forum
Powerstroke.org is the premier Diesel Truck Forum on the internet. Registered Users do not see the above ads.
Reply
 
LinkBack Thread Tools Display Modes
  #1  
Old 12-12-2008, 05:32 AM
Powerstroke.org Rookie
 

Join Date: Dec 2008
Posts: 2
Thanks: 0
Thanked 0 Times in 0 Posts
Feedback Score: 0 reviews
30 amp fuse to Computer blown

7.3 Power stroke 97, 250K. Two weeks ago 30 amp big fuse in box blew (just after starting, temp 30 degrees). Tried code reader, no connection. Crank won't start, no glow plug light. Replaced fuse, ran fine for weeks. Then yesterday, started, 30 degrees three minutes later same fuse blew died, no signal to code reader, won't start. replaced fuse, blew as soon as I tuned key, tried a 40 amp, blew as soon as I turned key.

If looking at big fuse box, middle row, fuse closest to engine. Someone suggested my glow plug relay shorted out and is staying on.

Help! It is sitting in the parking lot of my job
Reply With Quote Quick reply to this message
Sponsored Links
Advertisement
 
  #2  
Old 12-12-2008, 05:40 AM
Illiana Chapter Director

 

Join Date: Feb 2008
Location: Bloomington, IN.
Posts: 12,486
Thanks: 5
Thanked 99 Times in 94 Posts
Feedback Score: 2 reviews
Quote:
Originally Posted by imarangemaster View Post
7.3 Power stroke 97, 250K. Two weeks ago 30 amp big fuse in box blew (just after starting, temp 30 degrees). Tried code reader, no connection. Crank won't start, no glow plug light. Replaced fuse, ran fine for weeks. Then yesterday, started, 30 degrees three minutes later same fuse blew died, no signal to code reader, won't start. replaced fuse, blew as soon as I tuned key, tried a 40 amp, blew as soon as I turned key.

If looking at big fuse box, middle row, fuse closest to engine. Someone suggested my glow plug relay shorted out and is staying on.

Help! It is sitting in the parking lot of my job
It's the fuel heater causing the fuse to blow. There is an electrical connection on the passenger side of the fuel filter bowl. Disconnect the fuel heater and replace the fuse. That will keep it from blowing.
Reply With Quote Quick reply to this message
  #3  
Old 12-12-2008, 06:35 AM
Premium Member
 

Join Date: May 2007
Location: Effort/Nanticoke,Pa.
Posts: 5,441
Thanks: 0
Thanked 0 Times in 0 Posts
Feedback Score: 0 reviews
I agree it's definitely the fuel heater in the fuel bowl shorting out and causing the 30 amp maxi fuse to blow. On the 97's though the electrical connection is on the drivers side of the fuel bowl. There are 2 black connectors going into the side of the housing. If i remember correctly it will be the top one. The bottom one should be the water in fuel sensor.
Reply With Quote Quick reply to this message
  #4  
Old 12-12-2008, 06:57 AM
Illiana Chapter Director

 

Join Date: Feb 2008
Location: Bloomington, IN.
Posts: 12,486
Thanks: 5
Thanked 99 Times in 94 Posts
Feedback Score: 2 reviews
Quote:
Originally Posted by SMKSTAX View Post
I agree it's definitely the fuel heater in the fuel bowl shorting out and causing the 30 amp maxi fuse to blow. On the 97's though the electrical connection is on the drivers side of the fuel bowl. There are 2 black connectors going into the side of the housing. If i remember correctly it will be the top one. The bottom one should be the water in fuel sensor.
Oops, I meant to put drivers side. Thanks for the correction.
Reply With Quote Quick reply to this message
  #5  
Old 12-12-2008, 11:46 AM
Powerstroke.org Rookie
 

Join Date: Dec 2008
Posts: 2
Thanks: 0
Thanked 0 Times in 0 Posts
Feedback Score: 0 reviews
Talking You guys rock!

Went there with a new fuse, pulled the heater wire, and fired right up. I plug in the block heater at night anyway, so I don't have to fix it immediately.

Thanks a million.

PS, I figured out it was the drivers side, anyway! What's the smaller wire that hooks in below the heater wire?
Reply With Quote Quick reply to this message
  #6  
Old 12-15-2008, 02:50 PM
Premium Member
 

Join Date: May 2007
Location: Effort/Nanticoke,Pa.
Posts: 5,441
Thanks: 0
Thanked 0 Times in 0 Posts
Feedback Score: 0 reviews
Quote:
Originally Posted by imarangemaster View Post
What's the smaller wire that hooks in below the heater wire?
If i recall correctly it's the water in fuel sensor.
Reply With Quote Quick reply to this message
Sponsored Links
Advertisement
 
Reply

Quick Reply
Message:
Options

Register Now

In order to be able to post messages on the Ford Powerstroke Diesel Forum forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.
User Name:
If you do not want to register, fill this field only and the name will be used as user name for your post.
Password
Please enter a password for your user account. Note that passwords are case-sensitive.
Password:
Confirm Password:
Email Address
Please enter a valid email address for yourself.
Email Address:

Log-in

Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.



Thread Tools
Display Modes

Posting Rules
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On



All times are GMT -8. The time now is 02:46 PM.


Powered by vBulletin® Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.
Search Engine Optimization by vBSEO 3.6.1
Garage Plus, Vendor Tools vBulletin Plugins by Drive Thru Online, Inc.

vB.Sponsors