IWS GM 4 Pin Alternator Harness

This alternator plug-pigtail incorporates a Metri-Pack style seal and an in-line resistor that allows, but does not require, a charge light in this exciter circuit. This comes with 10ft lead of TXL wire.

This fits common GM alternators with a 4 Pin oval connector.

Note: This needs to be terminated to a switched 12v source that is "on" while the engine is running as this will