Actron CP7677 Automotive TroubleShooter – Digital Multimeter and Engine Analyzer

Includes protective boot, detachable color-coded test leads and alligator clips
Automatic zero adjustment for volts and amps for accurate measurements
Automatic reverse polarity indication
Overload protection on all ranges and fold-out stand for better viewing
1-year warranty

This auto troubleshooter performs all standard electrical tests for on-car and bench troubleshooting, including tachometer, dwell, volts, ohms and diode. With an audible tone, it pinpoints problem areas and determines which components need repair or replacement and includes 24 ranges for more accurate measurements. It is extra large, easy to read with digital LCD and the hold button retains display data. It includes a comprehensive user’s manual and a 1-year warranty.

Rating: (out of 19 reviews)

List Price: $ 84.99

Price: $ 32.99

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AUTOMOTIVE ENGINES: DIAGNOSIS, REPAIR, REBUILDING 6E will build readers’ technical expertise and critical thinking skills, while providing them with information on current industry trends and concerns. It contains updated, accurate, and comprehensive information on what is needed to diagnose, repair, and rebuild automotive engines. This revised edition includes an enhanced chapter on engine diagnosis and updated information on four-valve-per-cylinder engines, camshaft timing, variable valve timi

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7 Comments »

Review by D. Mintu for Actron CP7677 Automotive TroubleShooter – Digital Multimeter and Engine Analyzer
Rating:
I’m a big fan of the high-end Flukes so I’ve worked with the best. Well, these defintitely aren’t the best, but you can’t beat what you get for the price. I got it for my brother for his car and it does the job well.

First, the bad:

1. No auto shut-off. You gotta make sure you turn it off or the battery will just keep draining away.

2. No auto-sensing. You gotta set the dial for the range you’re looking for. But hey, I like it so much I don’t care that I can’t be so lazy.

And the good:

1. All the features. You get all the standards PLUS a tach and a dwell-meter! That’ll about cover your carbureted cars.

2. Price. You can find multimeters that can’t do the extras for the same price and even more. Great bargain.

3. Alligator clips. Simple things but it’d be a pain without them.

Plus, this thing will handle all the home electrical work.

As for the rest: I won’t vouch for its durability but Actron is a decent company. They go towards affordable but not junky. The case is made of a light plastic, but it doesn’t seem fragile. As for the tolerances, they’re not bad:

DC Volts

Range: 200mV, 2V, 20V, 200V

Accuracy : ±(0.5% rdg + 5 dgts)

Range: 1000V

Accuracy: ±(0.8% rdg + 5 dgts)

AC Volts

Range: 2V, 20V, 200V

Accuracy : ±(0.8% rdg + 5 dgts)

Range: 750V

Accuracy: ±(1.0% rdg + 4 dgts)

DC Current

Range: 200mA

Accuracy: ±(0.8% rdg + 5 dgts)

Range: 10A

Accuracy: ±(1.2% rdg + 5 dgts)

Resistance

Range: 200Ω, 2KΩ, 20KΩ, 200KΩ, 2MΩ

Accuracy: ±(0.8% rdg + 5 dgts)

Range: 20MΩ

Accuracy: ±(1.5% rdg + 5 dgts)

Dwell

Range: 4CYL, 6CYL, 8CYL

Accuracy: ±(3.0% rdg + 5 dgts)

RPM

Range: 4CYL, 6CYL, 8CYL

Accuracy: ±(3.0% rdg + 5 dgts)

Audible Continuity

Buzzer sounds at approximately less

than 30-50 Ohms.

So for the price, a good deal.

Comment by D. Mintu — September 8, 2010 @ 4:20 pm

Review by Sherilyn Collins for Actron CP7677 Automotive TroubleShooter – Digital Multimeter and Engine Analyzer
Rating:
This multimeter is an all around good tool. It has all the features you need plus some of the features that only the more expensive ones have. Like the battery tester and backlight display. I am studying electronics right now and I find myself getting a ton more use out of it than I thought I would. It is easy to use and the instruction manual that comes with it tells you how to perform most common tests that it does with pictures to go along. There are comperable multi-meters out there that cost less but most would cost more. There are certainly better multi-meters than this one but they will cost more. The only bad things I can say about this tool is that the battery is hard to get to. You have to remove 2 screws in the back and pry it apart. Actron should have just put one of those slide off battery covers on it. Also most multi-meters come with some sort of rubber, protective sleeve, that also has a lanyard for your hand so you dont drop it. If this mult-meter had a lanyard and the battery was easier to get out, I would have given it a 5 Stars.

Comment by Sherilyn Collins — September 8, 2010 @ 4:41 pm

Review by G. Simon for Actron CP7677 Automotive TroubleShooter – Digital Multimeter and Engine Analyzer
Rating:
This will perform any test a neophyte electrician will do. The instruction manual is well written and understandable. Instructions provided for most ignition tests of classic cars and sensor testing of newer cars.

Comment by G. Simon — September 8, 2010 @ 4:42 pm

Review by Gadget Freak for Actron CP7677 Automotive TroubleShooter – Digital Multimeter and Engine Analyzer
Rating:
I had been eyeing this multimeter for a while, and when it went on sale for half its list price, I grabbed it. It arrived promptly and works very well. The unit has a solid feel to it and the blue rubberized case around it and the “stand” behind are good features to have when working around places where it might get bumped like in the engine compartment. I found the included alligator clips a useful bonus – a lot many of the ones in the mid thirties price range don’t have this.

Two minor flaws – it needs a 9 volt battery and doesn’t ship with one. That was a minor annoyance – not many people have these just lying around the house. Why not design the meter using AA batteries or just ship it with a 9V battery?

Second is that there is no sticky film protecting the (rather large) LCD display. For a meter that is meant for harsh outdoor environments in which it might get scratched, this is definitely an oversight.

But overall I am pleased with my purchase and would definitely recommend it as a solid entry level multimeter.

Comment by Gadget Freak — September 8, 2010 @ 5:21 pm

Review by J. Purl for Actron CP7677 Automotive TroubleShooter – Digital Multimeter and Engine Analyzer
Rating:
bought for tachometer use

harbor freight version: take reading, multiply by 50 & divide by number of cylinders, i’m not joking! (had to call them this isn’t in the manual) and it has a selector for cylinders.

actron version: multiply reading by 10

also includes manual on how to troubleshoot engine sensors. has been very helpful.

highly recommended for any shadetree mechanic!

Comment by J. Purl — September 8, 2010 @ 5:36 pm

Review by Brad at Almost Lucid for Automotive Engines: Diagnosis, Repair, Rebuilding
Rating:
I used this when getting into the automotive field and it was a great introduction book and reference guide. Interesting enough that the average reader would find the info really in-depth. Recommended.

Comment by Brad at Almost Lucid — September 8, 2010 @ 6:33 pm

Review by Steven R. Bradbury for Automotive Engines: Diagnosis, Repair, Rebuilding
Rating:
One of the easiest book to navagate throught I have read in along time, very good for someone who doesn’t

work on engines all the time as a job.

Comment by Steven R. Bradbury — September 8, 2010 @ 7:19 pm

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