Trailer Terminal Maintenance Kits

  • Clean and resize male/female, SAE J560, 7 round pin tractor-trailer connectors and thoroughly remove corrosion which when left alone can lead to poor electrical connections
  • This multi-patented tool also doubles as a pin/socket wear gauge and tests whether the connection needs to be resized or replaced
  • For male and female 7 round pin truck/trailer connections
  • Maintains continuity and prevents circuit failure
  • Quickly and precisely cuts away corrosion
  • Enhances electrical contact points and extends harness life
  • Use as a pin-wear gauge
  • Male and female terminal cleaners included
  • Multiple patents issued
No documents available.

Product Line

SKU Product Name Price
2-PC. 7-Round-Pin Trailer Harness Maintenance Set ET8024 2-PC. 7-Round-Pin Trailer Harness Maintenance Set
$28.99
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2-PC. 4/5-Way Pin Trailer Harness Tester and Maintenance Set ET8026 2-PC. 4/5-Way Pin Trailer Harness Tester and Maintenance Set
$37.99
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3-PC. 7 Flate (Spade) Pin Trailer Harness Tester and Maintenance Set ET8028 3-PC. 7 Flate (Spade) Pin Trailer Harness Tester and Maintenance Set
$49.99
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4-PC. 7-Round-Pin Trailer Harness Tester and Maintenance Set ET8029 4-PC. 7-Round-Pin Trailer Harness Tester and Maintenance Set
$63.99
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4/5-Pin Trailer Socket Cleaner ET8044-3 4/5-Pin Trailer Socket Cleaner
Call 800.MACTOOLS
for Pricing and Ordering
Discontinued
6-Round-Pin Trailer Socket Cleaner ET8044-4 6-Round-Pin Trailer Socket Cleaner
Call 800.MACTOOLS
for Pricing and Ordering
Discontinued
2-PC. 7-Spade-Pin Trailer Socket Cleaner ET8044-5 2-PC. 7-Spade-Pin Trailer Socket Cleaner
Call 800.MACTOOLS
for Pricing and Ordering
Discontinued
7-Round-Pin Terminal Cleaners ET8044-7 7-Round-Pin Terminal Cleaners
Call 800.MACTOOLS
for Pricing and Ordering
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Limited quantity, orders subject to availability.