94 ls1 swap questions

hey guys, I live in the phoenix area and the only issue I have right now is how am I going to get the factory gauges to work along with the check engine light? I know the motor will pass the sniffer test, but I don't think they would pass me with aftermarket gauges. any info on the wiring harness would be helpful

use the stock gauges with the stock wiring and sensors on the engine.

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Originally Posted by RedHeartbeat

use the stock gauges with the stock wiring and sensors on the engine.

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Originally Posted by philv

hey guys, I live in the phoenix area and the only issue I have right now is how am I going to get the factory gauges to work along with the check engine light? I know the motor will pass the sniffer test, but I don't think they would pass me with aftermarket gauges. any info on the wiring harness would be helpful

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your SES light is a brown wire (if it is the same as a truck harness). I just checked for a LS1, but apparently the years are different. What year is your motor/harness? With a 94, your speedo should be electric, and it should be as simple as connecting your cluster wires to the new senders.