AUTOMOTIVE WIRE 20 AWG HIGH TEMP GXL WIRE 500 FT SPOOL COLOR: YELLOW SHIPS ON A SPOOL Type GXL Automotive Wiring Construction 7 STRANDS OF BARE COPPER WIRE. Conductor: Bare CopperInsulation: Cross-Linked Polyethylene (XLPE) Type GXL Automotive Wire Ratings and Approvals: Recommended Temperature Range: -51°C to +125°C Ford Specification: Ford (M1L-85B) Chrysler Specification: Chrysler (MS-8900) SAE Specification: SAE J-1128 OD: .084.