Not able to power up my new wiring loom via Solonoid - JeepForum.com
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Unread 09-14-2009, 04:31 PM   #1
skidplate77
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1977 CJ7 
 
Join Date: Mar 2008
Location: Crystal Lake, Illinois
Posts: 362
Not able to power up my new wiring loom via Solonoid

Hi All - I put in a Painless Wiring harness and I was hoping to fire up my CJ today. But, I was wondering if I have a bad solonoid. I get nothing ( no current) at the fuse box. I was thinking that the fuse box gets power off the solonoid on the "I" side of the solonoid?? In the picture the "S" terminal ("start") is at the top. The three wires on the bottom are mounted to the "I" terminal. So, does it matter which side of the large posts on the solonoid the power cabe and starter mounts to? I get no power after the solonoid anywhere. Can the solonoid be bad?? I grounded the solonoid to the frame. I have a fiberglass body... Thanks for any input...

solonoid-002.jpg  
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1977 Jeep CJ7 Renegade, 304 V8, Torque Flite 999 automatic, Dana 300, AMC 20, Dana 30 front, 30" X 9.50" tires, building it back to stock..
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Unread 09-14-2009, 04:41 PM   #2
skidplate77
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1977 CJ7 
 
Join Date: Mar 2008
Location: Crystal Lake, Illinois
Posts: 362
bump....
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1977 Jeep CJ7 Renegade, 304 V8, Torque Flite 999 automatic, Dana 300, AMC 20, Dana 30 front, 30" X 9.50" tires, building it back to stock..
A new work in progress, and a new lease on life...
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Unread 09-14-2009, 05:10 PM   #3
james04si
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1977 CJ5 
 
Join Date: Apr 2009
Location: Arlington TX
Posts: 852
On my semi stock PO hacked wiring the fuse box gets its power from the battery terminal side of the solonoid. The only other wires are the one going to the starter and the one to the ignition switch that tells the solenoid to give juice to the starter.
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Unread 09-14-2009, 06:54 PM   #4
JeepHammer
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1973 CJ5 
 
Join Date: Aug 2007
Location: South West Indiana
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Fuse block gets it's power from the BATTERY CABLE side of the starter relay,
NOT the 'I' terminal.

The 'I' terminal provides current to the ignition coil during cranking...
The relay has to be energized before the 'I' terminal is 'Hot', so it can't possibly deliver current to the fuse block.

The Primary wires for both the Fuse Block and the Alternator should connect to the BATTERY CABLE side of the starter relay,
AND,
You should use a fusible link between primary wires and battery cable terminal...

This will tell you how to build your alternator/charging system harness,
Using the fusible link in the proper place.



The 'Green & White' striped thing is the GROUNDING POST,
Which is usually a 1/4" or 3/8" BRASS BOLT running up through the fender.
It's there to attach all your needed grounding wires to so everything gets a dedicated ground.





This will give you an overview of how to hook up the two wire connector, and what part numbers/sources for the parts...





--------------------------------

Do the same fusible link thing with the wire that feeds the Fuse Block,
ADD A SECOND FUSIBLE LINK TO THE BATTERY CABLE SIDE OF THE STARTER RELAY,
Then connect the fuse block to that fusible link...

The circuit should start with a fusible link at the starter relay battery cable side...
The 'Hot' wire from the battery cable MUST BE PROTECTED on it's way to the fuse block, or you run the risk of a fire!
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