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Old 03-23-2019, 09:35 PM
Thread Starter
Join Date: Oct 2018
Location: Mesa, AZ
Posts: 12
Diy spod

Good Evening All,

I just wanted to share what I have completed thus far on my YJ build.
but before that, a bit of background.

I previously had a 2011 JK and purchased an Spod for it to run a lot of accessories. It worked great and I never had any issues with it, but when I sold the JK the spod went with it. A couple years later I have another Jeep that I can mess with and looked at getting an Spod. I didn't want to spend a $500 to $800 on getting something prebuilt that I can't expand on if I needed or wanted to. I looked around and decided to build my own! I started out with limited knowledge of electrical systems (generally speaking), but I've always been more comfortable with 12V DC circuits, so I just started reading the forums and random online resources and developed a plan for what I wanted.


My first hurdle was were to place the relays and fuse blocks. looking around on here I saw a couple people putting 50cal. ammo cans under the hood where the scissor jack usually sits. I thought this would be a great place and I just happened to have a spare 50cal. ammo can sitting around so the planning continued.


I purchased most of the parts for this build on Amazon and/or local parts stores like Napa or Autozone. Most of these parts are pretty typical car electronic parts so sourcing was pretty easy. Below is a quick list of some of the major components.

- Blue Sea Systems 12 Circuit fuse block with common Neg. buss
- (2) Hella Relay blocks
- 12ga SXL copper strand wire
- 18ga. SXL copper strand wire
- Fuses
- Ring and spade terminals
- 4ga. Battery Cables (Pos and Neg)
- 100A Breaker
- 200A continuous Solenoid

The basic premise of the build it to have everything running though the 100A breaker to the solenoid (to have a master switch for the whole box), then power running to the Blue Sea System's fuse block with each circuit fused and running to the individual relays, then relay out to the accessory.

So far I have 8 circuits ( with a possible 12 available) each one is currently 30A which should be plenty for anything I need. With this set up I am actually limited by my alternator and battery, but when I really start running a lot of juice though it, I will have a dual battery setup and a high amp alternator to handle it.

I was able to finally get it mounted in the jeep today and have some pictures below. ( I hope they attach okay)

Let me know what you guys think! I will try and keep this current on future progress.

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IRQ likes this.
'95 YJ Sahara, 4.0L, 3.07(for now), 2.5" Rancho springs, SYE
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Old 03-27-2019, 11:38 AM   #2
Rauland04's Avatar
Join Date: Feb 2016
Location: Fulshear TEXAS
Posts: 123
Looks cool! I have just started researching what to do for my 89. I ran the lights thru relays and need to do the same for the HEI. They are just tie wrapped in there, under the hood. I would like to do something nicer than I presently have.

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Old 03-28-2019, 07:50 AM   #3
daddyjeep's Avatar
Join Date: Apr 2005
Location: Smethport, PA
Posts: 3,954
Very nice. I have saved the PDC from a couple cars that I have scrapped so I could use them to build something like that one day.
87 YJ, 5.7/TH350/NP241, Custom 4 link/ Radius Arms, ADS Nitrogen Shocks, 35" Cooper STT
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Old 03-29-2019, 07:59 PM
Thread Starter
Join Date: Oct 2018
Location: Mesa, AZ
Posts: 12
I just found some really nice connectors that I am going to use for the firewall pass through and my switch panel disconnect. I talked with the guys at Mouser Electronics and they were super helpful with everything I needed. If you are looking for good connectors check them out! ordering the right part numbers can be a bit daunting, but they are super quick to respond with inquiries. Here is a link to their website:

once I get the connectors in the mail I'll post a pic of them.
'95 YJ Sahara, 4.0L, 3.07(for now), 2.5" Rancho springs, SYE
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Old 04-20-2019, 10:38 PM
Thread Starter
Join Date: Oct 2018
Location: Mesa, AZ
Posts: 12
Well it's been a while but I got my connectors and started getting them assembled. I ended up with (1) 48 pin connector and (2) 19 pin connectors I am going to use the 48 Pin connector to pass my wires through the firewall where i can find a good spot. Each circuit in the connector is able to conduct 13A according to the manufacturer which should be more than anything I'll need.
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'95 YJ Sahara, 4.0L, 3.07(for now), 2.5" Rancho springs, SYE
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