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Old 07-10-2011, 12:42 PM
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Ford relay wiring diagram for starter

I need a wiring diagram to wire a ford relay for the starter.I am adding it to a small block chevy that I am running in my 40Ford street rod. I know it's very basic. If someone could send me something it would be very appreciated.
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Doug

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Old 07-10-2011, 01:19 PM
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This has been covered a lot on this BBS. However, here is one diagram I from a Chevelle site.

Ford also has (or had) a jumper made specifically for Delco Remy starters they used on some of the 460's. See photo.
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Old 07-10-2011, 01:35 PM
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Relay

Thanks...do you know what Ford year and model relay to ask for when I go to my local Napa store?
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Old 07-10-2011, 05:09 PM
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if you don't have one already, you don't need one.
the gm starter has a relay on it.
unless your battery is in the trunk, your just adding another fail mode to the circuit.
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Old 07-10-2011, 06:01 PM
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I'll also add that if you're doing this to get around the GM hot starter problem, the wiring with the Ford solenoid STILL uses the GM solenoid also. You'll be money ahead to simply use a relay between the battery cable terminal and the "S" terminal. Control the relay with the wire that normally goes to the "S" terminal. It's the same thing - you're simply bypassing the resistance in the ignition switch and neutral safety switch circuit so the GM solenoid pulls in under hot conditions.
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Old 07-11-2011, 12:18 AM
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We had a lot of hot start problems with the trucks used in the fleet for the uniform supply company I worked for in Phoenix the constant on and off starting combined with our summer heat wreaked havoc with the GM trucks I advised our fleet manager to give this a try :http://www.madelectrical.com/catalog/st-1.shtml it worked so well He installed them on the entire fleet.
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Old 07-11-2011, 04:54 AM
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Here is some different schematic over the installation:
http://www.s10racer.com/board/showthread.php?t=282

And one more, if you use ministarter, with a NON hot cable:
http://www.stevesnovasite.com/forums...d.php?t=175684
(half way down on the page)

Regards
/Pete
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Old 07-11-2011, 05:51 AM
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There are several reasons to add the Ford solenoid to a GM starter. The GM starter solenoid draws about 30 amps. The Ford draws about 5 amps. The contacts in the ignition switch will thank you by lasting longer.

The diagram I put up also has the heavy cable to the starter "dead" unless you are starting the car. This is a safety issue and an anti-theft issue. If the cable should fail while driving down the road, you won't be surprised by a sudden loss of power and a smoke filled interior. On the anti-theft end, you can not use a screwdriver to crank the engine.

I did not know about the mini starter issue. Good information. Anyone know how many amps the mini starter solenoid draws?
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Old 07-11-2011, 08:57 AM
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Ford relay

Thanks to all. This will definitely help me.
Regards
Doug
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Old 07-11-2011, 10:53 AM
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http://www.madelectrical.com/catalog/st-1.shtml

This is exactly what I did. My battery is in the trunk and I'm using a PowerMaster mini starter. What this does is keep the main line from the battery to the starter de-energized unless the starter is actually cranking. A safety feature I happen to like, especially with a glass car. It works perfectly.

Here's a pic of the Ford soleniod mounted to the battery box in the trunk. Very simple setup. But yes, it still does use the soleniod in the PowerMaster mini starter. You have to install a jumper from the BATT post to the solenoid post on the starter for this setup to work.



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Old 07-11-2011, 03:59 PM
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Ford relay for GM starter

I called Made Electrical and they said the unit they sell is for 1994 and older. Mine is a 1995 out of a corvette...Why couldn't I still use it?
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Old 07-11-2011, 04:09 PM
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Relay wiring

Quote:
Originally Posted by joe_padavano
I'll also add that if you're doing this to get around the GM hot starter problem, the wiring with the Ford solenoid STILL uses the GM solenoid also. You'll be money ahead to simply use a relay between the battery cable terminal and the "S" terminal. Control the relay with the wire that normally goes to the "S" terminal. It's the same thing - you're simply bypassing the resistance in the ignition switch and neutral safety switch circuit so the GM solenoid pulls in under hot conditions.
Thanks...can you send me a diagram for your way of doing this...
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Old 07-11-2011, 04:12 PM
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Ford relay for GM starter

Quote:
Originally Posted by ogre
if you don't have one already, you don't need one.
the gm starter has a relay on it.
unless your battery is in the trunk, your just adding another fail mode to the circuit.

Thanks..the battery is in the trunk. Are you saying the ford relay won't work?
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Old 07-11-2011, 04:52 PM
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Ford relay for GM starter

Quote:
Originally Posted by coupe66
Here is some different schematic over the installation:
http://www.s10racer.com/board/showthread.php?t=282

And one more, if you use ministarter, with a NON hot cable:
http://www.stevesnovasite.com/forums...d.php?t=175684
(half way down on the page)

Regards
/Pete

Pete. My engine is out of a 1995 corvette. Is the starter in that year corvette a problem?
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Old 07-11-2011, 05:50 PM
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Quote:
Originally Posted by 40forddgc
Pete. My engine is out of a 1995 corvette. Is the starter in that year corvette a problem?
I believe you'll find all 90-95 LT-1's used the same starter. As long as your starter has its own solenoid the Ford solenoid will work. Just run a jumper from the BATT post to the (S) post on the starter and it will work fine as long as you follow this wiring diagram:




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