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Ultra-Tow 7- and 4-Way Circuit Tester, Model# DBP7+4
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Ultra-Tow 7- and 4-Way Circuit Tester, Model# DBP7+4

Item# 578224

Only $19.99
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Product Summary

Tests power supply from tow vehicle to trailer and determines if vehicle is properly wired. Tests both 7-way round and 4-way flat tow plugs. Plug into the vehicle’s tow plug and operate lights, brakes and turn signals to test circuits. Reduces trouble shooting time. Tester only.

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Item# 578224
Ship Weight0.25 lbs

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Hide Similarities
Fits Make All Chevrolet, GMC, Hummer Chevrolet/GMC - 1999–2013 Ford, GM, other tow vehicle
Fits Models All Avalanche, Silverado, Sierra, Suburban, Tahoe, Denali, 2007–2013 Escalade, H2 1988–1998 Suburban/Tahoe/Yukon - Various