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Junkyard Parts Installation Problems

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If you’re trying a junkyard swap with a GM TBI, the ECU has to be run inside the cab since it is not intended to be mounted in the engine bay. Here you can see why installing junkyard parts will create troubleshooting problems that will be difficult to diagnose with the factory tangled mess of wires. Aftermarket kits come in longer lengths with everything pre-labeled to ease installation.