1978 GMC G-Series Hitch Wiring
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Standard® - Intermotor™ Trailer Connector Kit$55.42 - $66.69 + Save an extra $2.00 with iD FastTrack -
Standard® - Trailer Connector Kit$20.23 - $35.42 -
ACDelco® TC177 - Professional™ Inline to Trailer Wiring Harness Connector$55.69 + Save an extra $3.00 with iD FastTrack -
Save 5%CURT® - 7-Way RV Blade to 5-Flat Electrical Adapter Harness$54.53$57.41Save $2.88 (5%) - Save 5%CURT® - 8' Dinghy Towing Adapter & Socket (7-Way RV Blade to 4-Way Round Vehicle)$83.24$87.62Save $4.38 (5%)
- Save 5%CURT® - 8' Dinghy Towing Adapter & Socket (7-Way RV Blade to 6-Way Round Vehicle)$92.97$97.87Save $4.90 (5%)
- Save 5%CURT® - 8' Dinghy Towing Electrical Adapter & Socket (7-Way RV Blade, Fits USCAR)$92.97$97.87Save $4.90 (5%)
- Save 5%CURT® - 8' Dinghy Towing Electrical Extension & Sockets (6-Way Round)$83.96$88.37Save $4.41 (5%)
- Save 5%CURT® - 8' Electrical Adapter Harness (7-Way RV Blade Vehicle to 4-Way Flat Trailer)$52.96$55.75Save $2.79 (5%)
- Save 5%CURT® - 8' Electrical Adapter Harness (7-Way RV Blade Vehicle to 5-Way Flat Trailer)$59.39$62.52Save $3.13 (5%)
- Save 5%CURT® - Electrical Adapter (4-Way Flat Vehicle to USCAR)$37.49$39.45Save $1.96 (5%)
- Save 5%CURT® - 4-Way Flat Dual-Output Electrical Adapter$15.83 - $41.06$16.67 - $43.22Save 5%
- Save 5%CURT® - 4-Way Flat Electrical Adapter with Brake Control Wiring$75.33$79.29Save $3.96 (5%)
- Save 5%CURT® - 4-Way Flat Electrical Adapter with Tester$15.61 - $34.87$16.43 - $36.72Save 5%
- Save 5%CURT® - 4-Way Flat to Round Adapter$22.33 - $26.87$23.50 - $28.28Save 5%
- Save 5%CURT® - 4-Way Round to 4-Way Flat Adapter$6.91 - $9.64$7.27 - $10.15Save 5%
- Save 5%CURT® - 6-Way Round to 4-Way Flat Adapter$8.74 - $14.03$9.20 - $14.76Save 5%
- Save 5%CURT® - 6-Way Round to 7-Way RV Blade Adapter$30.07$31.65Save $1.58 (5%)
- Save 5%CURT® - 7-Pole Round to 4 Flat Adapter$10.35 - $14.00$10.90 - $14.74Save 5%
- Save 5%CURT® - 7-Way RV Blade Electrical Adapter$8.73 - $16.43$9.20 - $17.30Save 5%
- Save 5%CURT® - 7-Way RV Blade Electrical Adapter with Backup Alarm$21.86 - $27.29$23.01 - $28.72Save 5%
- Save 5%CURT® - 7-Way RV Blade Electrical Adapter with Tester$5.50 - $18.41$5.78 - $19.38Save 5%
- Save 5%CURT® - 7-Way to 4-Way Coiled RV Blade Electrical Adapter Harness$34.53$36.34Save $1.81 (5%)
- Save 5%CURT® - 18-10 Gauge Twist on Wire Connectors$22.13$23.30Save $1.17 (5%)
- Save 5%CURT® - 2-Way Flat Connector Plug and Socket$3.61 - $5.60$3.80 - $5.90Save 5%
- Save 5%CURT® - 4-Way Flat Connector Plug$3.11 - $21.36$3.27 - $22.48Save 5%
- Save 5%CURT® - 4-Way Flat Connector Plug and Socket$5.38 - $15.65$5.66 - $16.47Save 5%
- Save 5%CURT® - 4-Way Flat Connector Socket$7.36 - $11.48$7.75 - $12.08Save 5%
- Save 5%CURT® - 4-Way Flat License Plate Light Plug Connector Socket$7.74 - $12.28$8.15 - $12.92Save 5%
- Save 5%CURT® - 4-Way Round Connector$7.74 - $20.46$8.15 - $21.54Save 5%
