What trailer connection type is the Heavy Ranger® MUTT® for?

The Heavy Ranger® MUTT® works with 7-way round pin SAE J560 connections commonly found on semi-trailers, dry vans, refrigerated trailers, flatbeds, tankers, lowboys, dump trailers and equipment haulers. It does not work on RV-Style trailers.

Does the Heavy Ranger® MUTT® come with a battery?

No. The Heavy Ranger® MUTT® does not come with a battery. Each product configuration requires supplying your own battery for use.

Why would I use a Mobile Universal Trailer Tester® (MUTT®)?

A Mobile Universal Trailer Tester® powers and checks trailer lights, brakes and electrical circuits without connecting a truck, helping you quickly find wiring faults, shorts, poor grounds and failed components before hitting the road.

How do I check my plug connection type?

Identify the connection by the shape and arrangement of the pins inside the plug, not by the outer housing. Our product image gallery shows 7-way round vs flat/blade. For a 7-way flat blade connection, choose the Light Ranger® MUTT®.

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Heavy Duty Trailer Tester | Portable, 7-Way Round Pin (SAE J560), For Commercial Tractor Trailers

Product ID: 205377391

Details

Brand
Innovative of
Colour
Factory
Item weight
454 g
Power source
Battery
Style
Protection

⚡10A output power

💧Water resistant design

🔋Internal battery compartment

535070CFA

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Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔧 Test smarter, not harder — the ultimate trailer troubleshooting sidekick!

DUAL POWER OPTIONS - Use internal battery or external 12V port for flexible, on-the-go testing
RUGGED WATER RESISTANT - Built tough to withstand outdoor conditions and keep testing reliable
UNIVERSAL 7 WAY COMPATIBILITY - Seamlessly test all 7-way round pin trailer connectors
INTEGRATED POWER SIGNAL LE DS - Instant visual feedback for turn signals, power, and short circuits
PRECISION CIRCUIT VERIFICATION - Eliminate guesswork with accurate wiring and short circuit detection

The Heavy Duty Trailer Tester by Innovative Products of America is a rugged, water-resistant diagnostic tool designed for professional-grade trailer electrical system testing. Supporting 7-way round pin connectors, it delivers 10A @ 12V DC output with built-in short circuit protection and LED indicators for power, turn signals, and brake verification. Its dual power capability includes an internal battery compartment and an external 12V port, making it indispensable for quick, reliable trailer maintenance and repair.

Specifications

ASIN	B00H9UT1OU
Brand	Innovative Products of America
Colour	Factory
Customer Reviews	4.6 out of 5 stars 429 Reviews
Global Trade Identification Number	00893509001438
Included Components	trailer light tester
Item Dimensions	30.5 x 12.7 x 17.8 centimetres
Item Type Name	trailer light tester
Item Weight	1 Pounds
Item dimensions L x W x H	30.5 x 12.7 x 17.8 centimetres
Item weight	1 Pounds
Manufacturer	Innovative Products of America
Manufacturer Part Number	9102
Maximum Operating Voltage	12 Volts
Measurement Type	Voltmeter
Minimum Operating Voltage	12 Volts
Model Number	9102
Power Source	Battery Powered,Electric
Power source	Battery Powered,Electric
Specification Met	Ipa
Style	Protection
Style Name	Protection
UPC	893509001438 893509003074
Unit Count	1.0 count
Upper Temperature Rating	85 Degrees Celsius

Reviews

L**E

qualité de la piece

tres bon pour mon utilisation que j'en ai a faire

17.03.2024

S**N

For 7 pin round trailer connectors

19.01.2026

J**R

Good product

25.04.2025

R**Y

I looked at tester for a wile now little bit of a investment but wow works like a dream

19.11.2023

S**K

Great tool!

10.01.2019

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535070CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Senegal.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Perfect platform for hard-to-find items. Delivery was prompt.

1 month ago

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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