Northern Tool Ratings and Reviews
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Automotive Diagnostics Reviews

Overall Rating:5 out of 5 stars.
"This item worked as expected and was as good as any I've used. A good tool for the price. The case made for convenient storage."... (read full reviews)
Overall Rating:5 out of 5 stars.
"This tester is just what I needed to help diagnose no starts. No more shocks trying to hold the plug by hand."... (read full reviews)
Overall Rating:5 out of 5 stars.
"This product is great for the beginner and expert alike. Your only limited by your own knowledge. The price is very reasonable for the product."... (read full reviews)
Overall Rating:5 out of 5 stars.
"Excellent tools for the money. I bought 5 units"... (read full reviews)
Overall Rating:4.7 out of 5 stars.
"Thi is an excellent kit for testing light switches -wiring-heat temperatur-etc... - can be used on appliances-air conditioner. This kit has been both accurate and depedable for me .The literature with"... (read full reviews)
Overall Rating:4.6 out of 5 stars.
"Easy to use, clear directions, worked for my BMW. Diagnosed the problem with this and save money with buy the tool"... (read full reviews)
Overall Rating:4.5 out of 5 stars.
"It.s compact size makes it easy to hold an put in your shirt pocket, and has good duriblity. Not big and bulky like other models."... (read full reviews)
Overall Rating:4.5 out of 5 stars.
"This is a heavy duty tester and works great.. The test clips have good grip and the gauges are easy to read."... (read full reviews)
Overall Rating:4.4 out of 5 stars.
"A really versatile tool that is plenty sturdy for the amateur mechanic. The adaptors and flex hose make this set work in almost any situation. All fits together and disassembles easily too. Nice"... (read full reviews)
Overall Rating:4 out of 5 stars.
"The Battery load tester was exactly the tool I should of bought long ago. I had no problem reading it and so easy to operate. Great thing about it is that it is made of quality materials--not cheap. I"... (read full reviews)
Overall Rating:3.8 out of 5 stars.
"Tried to save a few bucks with this test stand. It's going back. No accommodation for radiator! Asking for trouble with your new engine!! Really small inadequate fuel tank. Poor quality gauges and"... (read full reviews)
Overall Rating:3.5 out of 5 stars.
"With the ability to retrieve codes and focus on the problem without guess work and saving $95.00 a pop to be done by local shops. We can repair most issues in house and pin point problems quickly with"... (read full reviews)
Overall Rating:3.3 out of 5 stars.
"Leads where good for low volts, didn't just fall apart. The price was good."... (read full reviews)
Overall Rating:3 out of 5 stars.
"The display is small but adequate. Simple screw holes are provided for mounting. It comes with a tiny magnet in an envelope. You're supposed to glue the magnet to the shaft of what you are metering."... (read full reviews)