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2G Interior/Ignition Harness and Gauge Wiring

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cswindel

Proven Member
316
569
Jan 13, 2023
Georgia
Didn't want to post this but I am struggling with these electrical diagrams (have been on Charm and through the FSM).

Basically I just need help identifying what these splice points are for/leading to and if I can use these pre-existing points to wire up my Greddy gauges and Profec B Spec 2 boost controller so I don't have to make more and don't have to repair all of these splices from previous owner.

I have attached pictures of all the current splice points and the picture of what is required for the Greddy gauges to operate (I am running 3 but I would imagine I can use 1 splice point to get power/signal to all three as opposed to making a splice point per gauge - i.e. splice into a 12V constant power source and use that 1x splice point to get 12V power to each gauge as opposed to making 3x splice points in 1x 12V power source wire and running that to each individual gauge).

Please let me know if any additional information is needed on this to get a better answer produced

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This harness has the white wire and black with white stripe wire spliced into. I believe this is part of the ignition system (Picture of wires are below)
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White wire splice point and the black wire with white stripe is completely split with a splice point on either end of where wire was cut (the blue pieces on each end of the wire)
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I'm not entirely sure where these three wires hook up to but I believe they eventually run into the interior fuse box
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These 2 splice points are on the dash harness that connects to the interior fuse box (if you are looking at the fuse box it is the large connector on the upper right side on the front portion of the fuse box). Its the red wire with the blue stripe and the green wire with the white line.
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Posted in Electrical Tech but wanted to dump here and see if I could get an answer. Seems like it probably fits in this category too haha.

Didn't want to post this but I am struggling with these electrical diagrams (have been on Charm and through the FSM).

Basically I just need help identifying what these splice points are for/leading to and if I can use these pre-existing points to wire up my Greddy gauges and Profec B Spec 2 boost controller so I don't have to make more and don't have to repair all of these splices from previous owner.

I have attached pictures of all the current splice points and the picture of what is required for the Greddy gauges to operate (I am running 3 but I would imagine I can use 1 splice point to get power/signal to all three as opposed to making a splice point per gauge - i.e. splice into a 12V constant power source and use that 1x splice point to get 12V power to each gauge as opposed to making 3x splice points in 1x 12V power source wire and running that to each individual gauge).

Please let me know if any additional information is needed on this to get a better answer produced

You must be logged in to view this image or video.



This harness has the white wire and black with white stripe wire spliced into. I believe this is part of the ignition system (Picture of wires are below)
You must be logged in to view this image or video.



White wire splice point and the black wire with white stripe is completely split with a splice point on either end of where wire was cut (the blue pieces on each end of the wire)
You must be logged in to view this image or video.



I'm not entirely sure where these three wires hook up to but I believe they eventually run into the interior fuse box
You must be logged in to view this image or video.



These 2 splice points are on the dash harness that connects to the interior fuse box (if you are looking at the fuse box it is the large connector on the upper right side on the front portion of the fuse box). Its the red wire with the blue stripe and the green wire with the white line.
You must be logged in to view this image or video.
 

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If you're asking about those connectors on the wire we can't answer. None of those are OEM. Somebody added them and you will have to figure out which wire is which if you intend to use them.
That's good to know! Man I tell you this car was just slapped together and I just keep uncovering more and more. I think I resolved that I'm going to get rid of/fix these splices and when I go to re-do the probably hacked up battery relocation I'm going to run power to them from a distribution box. I really appreciate the reply and clearing up that they aren't OEM though!
 
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