Glow plug relay... - Ford Powerstroke Diesel Forum
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post #1 of 11 Old 10-04-2011, 12:31 AM Thread Starter
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Glow plug relay...

Hi guys, i have a 1996 E-350 based motorhome with a 7.3. and tested the relay. First of all i wanted to do the Stancor mod but my relay looks like this one (see attachment)....
When i put battery voltage to the 2 smalls pins, the relay clicks but no continuity through the big posts. So it must be bad.
Now should i replace it with the same one or is it possible to put the Stancor?

Many thanks!

Brad.

Last edited by brad27; 03-06-2013 at 05:48 AM.
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post #2 of 11 Old 10-04-2011, 02:13 AM
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I did the stancor and it mounted to the original mounting bracket without any modifications.It is larger,once in your hand ,you will see why they are used.

1996 F250 PSD Crewcab,auto,D 60 swap,3" dp, DIY air 4X4 Centurion
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post #3 of 11 Old 10-04-2011, 05:09 AM Thread Starter
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Yes i know but i guess i will have to cut the 2 two small wires and put ring terminals on them since it is a simple connector that plugs into the relay.
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post #4 of 11 Old 10-04-2011, 06:12 AM
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Brad,

You have the very old style relay that had the weatherpack connector on it. Ford did sell a relay kit that came with relay and a pigtail to basically convert the weatherpack to the ring terminals (I bought one waaaaay back for my 94 PSD). You can do just as you mentioned (just put ring terminals on the two small wires) provided there is enough wire to make it to the relay. As also mentioned the Stancor 586-902 will work just fine oriented with the terminals facing the driver's side of the truck. Cheers!

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post #5 of 11 Old 10-04-2011, 06:15 AM Thread Starter
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All right!! Thank you!
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post #6 of 11 Old 10-04-2011, 07:33 AM Thread Starter
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Just opened the relay and found what was wrong. The plastic melted a bit between the two large posts, probably because of the sparks made when clicking. So, the solenoid's plunger could not touch the two large posts, thus allowing current going from the "always hot" to Glow plugs one.

Will order the Stancor right away.
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post #7 of 11 Old 10-04-2011, 11:03 AM
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Let us know how you like the difference between the Stancor and stock.

1997 F-350 CC Dually Power Hungry performance chip. DIY air intake ,4" Diamond Eye exhaust, Trans temp gauge,Pyrometer gauge 10,000 Lb. Warn Winch, 1 million candle power auxilary lights,black heavy diamond plate bumper/brushguard
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post #8 of 11 Old 10-04-2011, 01:49 PM
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Quote:
Originally Posted by brad27 View Post
The plastic melted a bit between the two large posts
Consistent with the other common "relay FAIL" phenomenon -- one or the other large post gets physically loose in the relay case.

Stancor +1; in your hand, you'll see how the above will be very unlikely to happen again.
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post #9 of 11 Old 10-04-2011, 02:50 PM Thread Starter
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I ordered the Stancor relay this morning and they shipped it at 4pm... Should be here in 2 to 3 days i guess. Wouhou! I have time to lengthen the small wires and put ring terminals to save time on the install but, i'll wait for the relay to come in because i don't know how much wire to add and the diameter of the small posts sadly...
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post #10 of 11 Old 10-04-2011, 11:14 PM
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The relay in my 95 was exactly the same as you describe. Weather pack connctor and melted casing alowing the post to move. Just cut the connector off and put the stancor and you'll be good to go.

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