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| Power Junction Block near C500 (Page 1/2) |
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fierosound
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JUN 19, 05:40 PM
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You can't buy these anymore - at least not at your local auto parts store.
I couldn't even come up with a part number when searching online.
I had some power issues with the fusible links that connect to this and it fell apart when I started to disconnect wiring.
I got lucky and found a non-rusty one in a 1989 Chev Van (battery area) at Pick n Pull for $3.
EDIT: Found GM part number 3996270 (discontinued)
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Calgary time/temp
3.4L Supercharged 87 GT Click me
Super Duty 4 Indy #163 Click me[This message has been edited by fierosound (edited 06-15-2020).]
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fierosound
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JUN 21, 10:00 AM
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fierosound
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JUN 21, 10:15 AM
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Junction Blocks - later GMs used these styles
1-post
5-post
Of course, they've pretty much eliminated these power junction blocks and fusible links,
by using Underhood Fuse/Relay boxes usually located right next to the battery.
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theogre
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JUN 21, 11:42 AM
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Many PDF versions of 22P are missing several sections. You need to check a real GM copy.
Even then numbers change or are discontinued.
hotrod link shows parts etc. How does it matter here?
| quote | Originally posted by fierosound:
Junction Blocks - later GMs used these styles
1-post
...
Of course, they've pretty much eliminated these power junction blocks and fusible links,
by using Underhood Fuse/Relay boxes usually located right next to the battery.
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Source for One stud example? Because 1 stud and many ends on it as show above can cause problems. Above Pic looks more like some DIY did that w/ new links. Is a reason Fiero has 2 studs etc. The 5 studs have only 2-3 ends to each stud too. In general, Screw/Stud terminals only get One or Two ends per terminal no matter the size, volt/amp used, etc.
The Ground w/ 1 Bolt (right of relay) in 5 stud is bad too. 7 ends to 1 bolt should be split into 3 - 4 ground close to whatever devise(s).
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Not quite. Many cars still have Fusible Links and Maxi/Mega and other Fuses under the hood.------------------
Dr. Ian Malcolm: Yeah, but your scientists were so preoccupied with whether or not they could, they didn't stop to think if they should.
(Jurassic Park)
The Ogre's Fiero Cave (It's also at the top and bottom of every forum page...)
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Lou and Blue
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JUN 21, 12:34 PM
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Here ya go !
http://www.gmpartsgiant.com...ock-asm-3996270.html
I just wired my lower ring to the top stud so it's on the same stud as the ring on top. Makes a nice connection and works fine. When I put it on the bottom stud it didnt make contact. I could have made an oblong connector to join the two studs but putting them on the same stud works fine.
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===Always trying to find time to work on cars===
Louis Duet
Baldwin, Long Island, NY
"My mind spins like helicopter blades." -G. Rossdale
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"Blue" <= '85 Fiero GT
3800sc series 2 swap in progress--IT'S ALIVE !!!!!
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"Boo" <= '81 Delorean DMC-12
VIN #5835
Stock PRV engine
Peugot 604 Intake manifold
Exhaust headers
Anti-3rd brake light[This message has been edited by Lou and Blue (edited 06-21-2015).]
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fierosound
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JUN 25, 11:02 AM
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| quote | Originally posted by Lou and Blue:
Here ya go !
http://www.gmpartsgiant.com...ock-asm-3996270.html
I just wired my lower ring to the top stud so it's on the same stud as the ring on top. Makes a nice connection and works fine. When I put it on the bottom stud it didnt make contact. I could have made an oblong connector to join the two studs but putting them on the same stud works fine. |
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Thanks. Others will benefit from this information.
I was just saying these aren't easy to come by and expensive - for what it is...
Mine "cooked" (water over time got into connections) and I lost all power to the car while driving.
I needed one "today" to fix it - so I got one at the wrecking yard.
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theogre
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JUN 25, 12:14 PM
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I have no problems because I took that apart, clean and coated all part w/ silicon (brake grease or dielectric) then put parts back together.
Did that 15+ years ago along w/ grounds in the engine bay. Gets a bit dirty but silicon keeps water etc from attaching the "box" or ends.
GM made the Box so studs are not connected. The Alt output terminal is + Bus that connects both studs.
If you don't have OE Alt terminal then make a new copper bus and coat w/ silicon.
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fierosound
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JUN 12, 11:02 AM
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montegut
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JUN 12, 05:44 PM
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I think Rodney sells these.
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olejoedad
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JUN 13, 08:29 AM
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JEGS and Summit have them in stock.
S-10 pickups and Blazers used the same part.
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