mud390
1/2 ton status
What all would involved in put a instrument panel from a 1978 C20 with a factory tach into my 1984 K5 without a factory tach? The wiring is what has me worried. Thanks!
Kris
Kris
CK5
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Instrument panel
- Thread starter mud390
- Start date
GMCLegacy
1/2 ton status
I have a tach dash, but havent made the swap yet. a few things to look at are whether you have dummy lights or gages currently, and what setup does the 78 you want to swap in have? also is the oil pressure mechanical or electrical.
you may have to swap oil and temp sending units out to match the older dash, i am not sure, maybe someone else has that info. the tach itself has a seperate harness that runs to the distributor.
you may have to swap oil and temp sending units out to match the older dash, i am not sure, maybe someone else has that info. the tach itself has a seperate harness that runs to the distributor.
Are you running cruise control?
If so, you'd have to keep your speedometer from the '84.
If the oil pressure is mechanical, you'll need to run the line, or again keep the '84 gauge.
Your '84 has a voltmeter. What does the '78 have? If it's an ammeter, more changes.
You could just rop the tach into the '84 cluster, and use the tach dash fuel gauge, and rewire a little bit on the printed circuit board. Of course, then the numerals wouldn't match up due to the year difference.
If so, you'd have to keep your speedometer from the '84.
If the oil pressure is mechanical, you'll need to run the line, or again keep the '84 gauge.
Your '84 has a voltmeter. What does the '78 have? If it's an ammeter, more changes.
You could just rop the tach into the '84 cluster, and use the tach dash fuel gauge, and rewire a little bit on the printed circuit board. Of course, then the numerals wouldn't match up due to the year difference.
Are you running cruise control?
If so, you'd have to keep your speedometer from the '84.
If the oil pressure is mechanical, you'll need to run the line, or again keep the '84 gauge.
Your '84 has a voltmeter. What does the '78 have? If it's an ammeter, more changes.
You could just drop the tach into the '84 cluster, and use the tach dash fuel gauge, and rewire a little bit on the printed circuit board. Of course, then the numerals wouldn't match up due to the year difference.
If so, you'd have to keep your speedometer from the '84.
If the oil pressure is mechanical, you'll need to run the line, or again keep the '84 gauge.
Your '84 has a voltmeter. What does the '78 have? If it's an ammeter, more changes.
You could just drop the tach into the '84 cluster, and use the tach dash fuel gauge, and rewire a little bit on the printed circuit board. Of course, then the numerals wouldn't match up due to the year difference.
