The OEM 120 VAC charge cable uses a 15 A GFI plug. A charging Roadster draws the full 15 A, and many household outlets are daisy-chained rather than dedicated. Undersized or loaded circuits create voltage drop and heat at the plug, which cooks the low-tech GFI board. These units often donโt fail cleanlyโthey limp along, delivering sub-standard current until they quietly quit.
Direct replacement GFI plug
โข Quick swap with a #2 Phillips screwdriver
โข Low cost, restores reliable 120 V charging
โข Smart preventative maintenance (โcheap insuranceโ)
Yellow Charge Cable Rebuild
โข Replaces the failure-prone GFI with a rugged molded plug (no GFI PCB)
โข Extends cable length from 12 ft โ 25 ft
โข Upgrades conductor from 12 AWG โ 10 AWG, rated 30 A (vs. 20 A) for cooler operation and greater durability
Bottom line: The OEM GFI plug is the #1 cause of Roadster charge-loss incidents we see. Replace it proactivelyโor remove it entirely with the Yellow Charge Cable Rebuildโto keep your Roadster charging safely and reliably.