LTX and LSX Putting LT1s, LS1s, and their variants into Third Gens is becoming more popular. This board is for those who are doing and have done the swaps so they can discuss all of their technical aspects including repairs, swap info, and performance upgrades.

Swapable Gauges/ IPC and/ or Quick-Disconnect Connectors for my Custom Dash Harness

Old May 27, 2023 | 12:15 AM
  #1  
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Car: Resto-Mod 1987 IROC-Z Clone
Engine: Alky fed L92 Vortec Twin-Turbo 6.8L
Transmission: My own built/ design 4L80M
Axle/Gears: Custom 12 bolt (4.10:1)
Swapable Gauges/ IPC and/ or Quick-Disconnect Connectors for my Custom Dash Harness

Swapable Gauges/ IPC and/ or Quick-Disconnect Connectors for my Custom Dash Harness!!!

Excluding the Camaro Berlinetta IPC and Firebird Digital IPC... All the other OEM Gauge Clusters as well as Holley EFI Digital Display Panels and Aftermarket Gauges (AutoMeter/ Stewart Werner) are Compatible!

From 1982 through 1992 all Sub-Models of the Camaro and Firebird had over a Dozen Different IPCs/ Gauge arrangements and far more different Connector Pinout Arrangements...
ALL of which the Electrical Connectors and even the Terminals, have been DISCONTINUED!!!


So to support your particular Third-Gen with MY Custom, Modular, Modern Dash/ Interior Harness for Vehicle with Power-Train or Engine Management System Swaps...

The Harness will have TWO TE DEUTSCH DTM 12-Way (Quick-Dis)Connectors which will allow for multiple IPC/ Gauge Options to be implemented:








You will have the following Options to chose from:

-1: Send me your Connectors with 8" to 12" of Wire with the Terminals still in the Connector (DO NOT DEPIN THE CONNECTORS) this is so you can re use the OEM IPC that came in your car.
-2: Send me your Connectors with 8" to 12" of Wire with the Terminals still in the Connector, for a different IPC than the one that came in your Vehicle but are Swapping to (you found an IPC that you like better/ higher MPH Speedo Etc.)
-3: Send me your Aftermarket Gauges in an Aftermarket Bezel or Images of the Connections and Gauge Positions in the Aftermarket Bezel, so that I can Build a Sub-Harness to operate the Gauges.
-4: Tell me that you ONLY need Wiring Provisions for CAN-BUS, as well as Power, Ground, Illumination, Indicators, GPS, ETC for Holley EFI Digital Display Panels (or similar).

Supported Indicators (OEM IPCs)
-High Beam.
-Left Signal.
-Right Signal.
-Brake Warning.
-Voltage.

-Choke (ONLY if equipped).
-Temp (ONLY if equipped).
-Oil Pressure (ONLY if equipped).

Indicators that are not an option:

-Service Engine Soon.
-Up Shift.
-Fasten Belts.
-Supplemental Inflatable Restraint.
-Anit-Lock Brakes.
-Theft Deterrent.
-Low Fuel.

Aftermarket Indicators may be added as desired.

OEM Speedometers will be inoperable (unless you have established your own method for proper operation).

OEM Tachometers can be used depending on your method of obtaining an Engine RPM Signal from your Swap Engine/ Swap Engine Management System.

Coolant Temp Gauge without OEM ECM Control will operate.
Oil Pressure Gauge will operate.
Voltage Gauge will operate.
Fuel Level Gauge will operate.

My Custom Dash Harness is designed to have Modules (Sub-Harnesses) easily added or removed...
A Sub-Harness for additional Instrumentation is available, or can be done through CAN-BUS or Holley (DOMINATOR) EFI.

Last edited by vorteciroc; May 27, 2023 at 12:27 AM.
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Old May 27, 2023 | 06:04 AM
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From: Rochester NY
Car: 1984 TA (1 stock / 1 custom)
Engine: LG4 / turbo LQ4
Transmission: 700R4 / 4L80E
Axle/Gears: Stock / 3:50 Moser 9"
Re: Swapable Gauges/ IPC and/ or Quick-Disconnect Connectors for my Custom Dash Harn

I did something similar when I added my Intellitronix digital dash. I got an 8-pin Deutsch DT pigtail connector and wired it in so the cluster could be easily removed.



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Old May 28, 2023 | 05:43 PM
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Car: '89 Firebird
Engine: 7.0L
Transmission: T56
Re: Swapable Gauges/ IPC and/ or Quick-Disconnect Connectors for my Custom Dash Harn

Ack! That's brilliant! I was way over thinking this when I was looking at installing some Speedhut gauges. This is going into my list of future mods.
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Old Jun 28, 2023 | 07:56 AM
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Car: '90 RS
Engine: 377 LSX
Transmission: Magnum T56
Re: Swapable Gauges/ IPC and/ or Quick-Disconnect Connectors for my Custom Dash Harn

I too did something similar, except I used the autometer harness since I am not as talented as you. It made wiring the gages easy, but I just had to tap in for warning lights, turn signals etc. This still would have been nicer by far, and I am sure it would have been cleaner.
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Old Jul 11, 2023 | 10:42 PM
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Re: Swapable Gauges/ IPC and/ or Quick-Disconnect Connectors for my Custom Dash Harn

Could you do something like this for Dakota Digital clusters?
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Old Jul 11, 2023 | 10:52 PM
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vorteciroc's Avatar
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From: 212 is up in this Bit@#
Car: Resto-Mod 1987 IROC-Z Clone
Engine: Alky fed L92 Vortec Twin-Turbo 6.8L
Transmission: My own built/ design 4L80M
Axle/Gears: Custom 12 bolt (4.10:1)
Re: Swapable Gauges/ IPC and/ or Quick-Disconnect Connectors for my Custom Dash Harn

Originally Posted by Nutro
Could you do something like this for Dakota Digital clusters?
Absolutely!
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Old May 5, 2026 | 11:52 AM
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From: DFW
Car: 1992 Z28
Engine: 5.7 TPI
Transmission: 700R4
Axle/Gears: G80 3.23
Re: Swapable Gauges/ IPC and/ or Quick-Disconnect Connectors for my Custom Dash Harn

Are you guys still working on this? Ive had a dakota digital cluster for about a year or so. Maybe longer. But with other issues coming up, like fuel pump, heating, alternator, etc, I put it on hold. Those are fixed now and could use some sort of simple connector to hook up. I dont really have the time to wire in every wire at this time, with a new baby born and another on the way.
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Old May 5, 2026 | 02:01 PM
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vorteciroc's Avatar
Thread Starter
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Joined: Jul 2006
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From: 212 is up in this Bit@#
Car: Resto-Mod 1987 IROC-Z Clone
Engine: Alky fed L92 Vortec Twin-Turbo 6.8L
Transmission: My own built/ design 4L80M
Axle/Gears: Custom 12 bolt (4.10:1)
Re: Swapable Gauges/ IPC and/ or Quick-Disconnect Connectors for my Custom Dash Harn

Unfortunately no.
After multiple Family Members passed away, all Projects have ceased.

However, there is a 3D-Printed Connector Product available in the Aftermarket.
Shown in Posts 10 and 11 of the Thread in this Hyperlink .
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