Wiring Harness Adapter, Delco, SI to CS130D/AD

W1203 Adapter without resistor, Delco Si to CS130D/AD-series. For vehicles with no-charge light, use W1207.

For: Delco type 10Si, 12Si, 15Si, 17Si, 20Si, 21Si, 22Si, 27Si, 30Si, CS121D, CS130D, AD230, AD237, AD244 Series Alternators

Notes: Adapts two-pin, Si style vehicle wiring to the four pin oval plug used on CS121D, CS130D, AD230, AD237, and AD244 series alternators.

Used On: Chevy, Buick, Pontiac, Oldsmobile, GMC other vehicles using GM system