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| Firebird Cluster Build (Page 1/6) |
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rbell2915
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MAR 19, 05:59 PM
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Hey there everyone, this is my latest project. I bought a spare gauge cluster housing and I pulled the gauges out of a 95 or 96 Firebird in the junkyard. After disassembling the spare Fiero cluster and doing some cutting and Dremel work, I was able to build this. Obviously there is more work to be done, such as the wiring (planning on building a plug and play harness utilizing the spare cluster's plugs and some soldering) and making the back look nice. Any thoughts or advice would be appreciated.
Overall was a productive day! Up next is the wiring. I want to test everything and make sure it works before I finish making the housing look good.
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nosaint
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MAR 19, 09:11 PM
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rbell2915
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MAR 19, 09:12 PM
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| quote | Originally posted by nosaint:
Regal GS in background? |
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Yes. 2012 manual. The daily driver.
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nosaint
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MAR 19, 10:42 PM
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rbell2915
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MAR 20, 07:43 PM
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I completed the wiring harness and just finished testing it out. All of the warning lights are functional. The tachometer, volt meter, and fuel gauge are working as well. The speedometer is not getting any reading, the temp gauge isn't either. The oil pressure gauge seems to be reading 20-30 PSI high. I'm going to conduct continuity tests next to ensure everything has been connected successfully.
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rbell2915
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MAR 21, 10:39 AM
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Got the speedometer to work. Now I just have to sort out the temp gauge and the oil pressure.[This message has been edited by rbell2915 (edited 03-21-2020).]
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rbell2915
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MAR 21, 03:24 PM
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After conducting further testing, the temp gauge is getting 12v from the car's harness, through the adapter and gauge harness, and into the Firebird cluster plug. It appears that the gauge is broken. Going to try and scavenge the temp gauge from a 4th gen Camaro in the junkyard to replace it with.
Now I need to figure out the problem with the oil pressure gauge. I might try to use a potentiometer to drop the needle to the correct reading.
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RCR
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MAR 21, 04:11 PM
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Nice job getting it going. Looks good in place. It's been a long time since someone has at least documented doing something like this.
Thanx for sharing.
Bob
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rbell2915
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MAR 21, 07:10 PM
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| quote | Originally posted by RCR:
Nice job getting it going. Looks good in place. It's been a long time since someone has at least documented doing something like this.
Thanx for sharing.
Bob |
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Thanks a lot! I'm glad someone is getting some enjoyment out of this. I thought I would be getting some more traction in this thread.
Here are photos of the wiring harness.
Since I didn't have a 120 mph speedometer to use, I had to use a buffer from a third gen 4/6 cylinder F-body in order to create a usable signal for the gauge cluster.
Here is a close up of the speedometer plug. I was able to cut off the excess board and diodes since the yellow buffer creates the signal I need. Everything is contained inside the buffer.
Here are the C2 and C3 connectors.
After I took these photos, I used some wire loom to cover the wires on the speedometer, buffer, and C2. Since I'm still working on the C3 connector I didn't cover those wires yet. I tried to wire in a potentiometer in order to turn down the oil pressure signal to the correct reading. Unfortunately, all three pots I used barely moved the needle. The next idea I had is to use a 3.4l oil pressure sender and rig that up to the Fiero's connector. I am hoping that changing that sensor will give me the correct reading that the gauge requires. I'm also going to the junkyard tomorrow in order to scavenge a fuel gauge from a 96 Camaro. Hopefully the replacement will work.
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Spadesluck
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MAR 22, 12:33 AM
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I believe I saw you post this on Facebook. I very much like it. The cluster looks at home for sure. Nice work!  [This message has been edited by Spadesluck (edited 03-22-2020).]
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