Guest Posted December 6, 2002 Share Posted December 6, 2002 Will I have to change the wiring harness, sending units to change the fuel gauge - idiot light cluster to the "rally gauge cluster"? This is for a 1970 Cutlass Supreme Four speed convertible. All help is appreciated. Thanks. Link to comment Share on other sites More sharing options...
rocketraider Posted December 7, 2002 Share Posted December 7, 2002 Senders are different between gauges and idiot lights. I recommend using GM parts if you can find them- more expensive initially but you don't get gauge flutter with them. Even reputable name brand aftermarket parts will do that sometimes.The wiring is a little different behind the dash. You'll have to move some wires around at the cluster connector. www.442.com and go to tech pages and FAQ. There should be instructions on how to make this change. Link to comment Share on other sites More sharing options...
Guest Posted December 7, 2002 Share Posted December 7, 2002 Thanks, I have a chassis manual with the schmatic. I'll trace the color coded wires. Link to comment Share on other sites More sharing options...
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