Push button GP relay correct? *pics*
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Senior User
Joined: Oct 2008
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From: Olympia, WA
Push button GP relay correct? *pics*
I just got my truck back and a mechanic put a new relay and push button for my Glow plugs. I did this a long time ago but he redid it for some reason. Is this right? Shouldnt there be a ground wire?
edit: its an '83 F250 6.9
edit: its an '83 F250 6.9
Post Fiend
Joined: Nov 2003
Posts: 21,285
Likes: 16
From: Nutter Fort, WV
Wrong
If there was a glow plug relay installed there, there should be a ground on the small terminal where you have the question mark ground label.
But unless I am mistaken I see a small I by that terminal.
If I am correct then there will also be a small S by the other small terminal you have labeled dash button, which I think I also see.
That would indicate someone has installed a starter relay instead of a glow plug relay.
They look almost identical, but the internal electrical connections are different.
On the glow plug relay, both of the small terminals are connected to the relay trigger coil, so it must have a ground on one, power on the other small terminal to activate the relay.
Starter relays ground through the mounting bracket, so it will work with one wire on the S terminal that is supplying power from the dash push button.
The wait to start light is connected to the glow plug terminal (two orange wires) by a small AWG black wire with I think a blue stripe.
If there was a glow plug relay installed there, there should be a ground on the small terminal where you have the question mark ground label.
But unless I am mistaken I see a small I by that terminal.
If I am correct then there will also be a small S by the other small terminal you have labeled dash button, which I think I also see.
That would indicate someone has installed a starter relay instead of a glow plug relay.
They look almost identical, but the internal electrical connections are different.
On the glow plug relay, both of the small terminals are connected to the relay trigger coil, so it must have a ground on one, power on the other small terminal to activate the relay.
Starter relays ground through the mounting bracket, so it will work with one wire on the S terminal that is supplying power from the dash push button.
The wait to start light is connected to the glow plug terminal (two orange wires) by a small AWG black wire with I think a blue stripe.
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Senior User
Joined: Oct 2008
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From: Olympia, WA
Ya, how can you see those letters? haha. Well, it is sending around 12v to each glow plug when I hit the button on the dash. How can I tell if its a starter relay and not a glowplug relay?
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Look by the two little terminals and see if there are little letters by them. If so what are they.
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From: Olympia, WA
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From: Olympia, WA
OOOOOHHHHHH! gotcha. Thanks for clearin' that up for me. Ill leave her as she lies. haha. All of the glowplugs were burnt out when I got the truck back, i was just making sure it wasnt the 'new wiring'/relay'. When I push the button all plugs are getting between 11-12v, so it sounds like it was a combination between being his fault and Autolite. Thanks for the help
PS: like the new avatar? haha
PS: like the new avatar? haha
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Some one who didn't know or understand could have easily held the button too long. a matter of seconds makes the difference. Also I don't know if the guy has kids or not but they love to push buttons if you know what I mean.
Post Fiend
Joined: Nov 2003
Posts: 21,285
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From: Nutter Fort, WV
Man I hope they get the site fixed soon.
I have replied to this post five times, and my post is still not here.
The children pushing buttons and switches is one of the big reasons I recommend using a switched power supply for the power to the manual glow plug switch.
No power to the switch unless the key is turned on can save you from burnt up glow plugs or a dead battery.
Yes it adds a step, turning the key on, before you push the button, but that is all.
It finally made it to the forum.
I have replied to this post five times, and my post is still not here.
The children pushing buttons and switches is one of the big reasons I recommend using a switched power supply for the power to the manual glow plug switch.
No power to the switch unless the key is turned on can save you from burnt up glow plugs or a dead battery.
Yes it adds a step, turning the key on, before you push the button, but that is all.
It finally made it to the forum.
Thread Starter
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Senior User
Joined: Oct 2008
Posts: 125
Likes: 0
From: Olympia, WA
Man I hope they get the site fixed soon.
I have replied to this post five times, and my post is still not here.
The children pushing buttons and switches is one of the big reasons I recommend using a switched power supply for the power to the manual glow plug switch.
No power to the switch unless the key is turned on can save you from burnt up glow plugs or a dead battery.
Yes it adds a step, turning the key on, before you push the button, but that is all.
It finally made it to the forum.
I have replied to this post five times, and my post is still not here.
The children pushing buttons and switches is one of the big reasons I recommend using a switched power supply for the power to the manual glow plug switch.
No power to the switch unless the key is turned on can save you from burnt up glow plugs or a dead battery.
Yes it adds a step, turning the key on, before you push the button, but that is all.
It finally made it to the forum.
Senior User
Joined: Nov 2009
Posts: 154
Likes: 0
Man I hope they get the site fixed soon.
I have replied to this post five times, and my post is still not here.
I have replied to this post five times, and my post is still not here.
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