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  • BlameCheck ECM motor tester
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BlameCheck ™

$259.99
$259.99
SAVE Liquid error (snippets/price line 116): Computation results in '-Infinity'% Sold out
 

check_circle Check the motor on its own first

check_circle Skip the multimeter probing on 16 pin harnesses

check_circle Keep both hands free at the furnace

check_circle Start the test with a single flip

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  • Unplug the control harness from the motor and plug in the matching tester connector.
  • Clip the black and red leads onto your system's 24VAC terminals.
  • Check that the 24 VAC indicator light is on.
  • Flip the I/O rocker switch and watch the START test light and the motor.

  • ECM tester body with two motor connectors
  • Red X13 rotation signal wire
  • Alligator clip leads for 24 VAC

Once your item/s is dispatched,
the estimated delivery time is:

- USA: 2-9 business days
- UK: 5-13 business days
- Australia: 5-13 business days
- Canada: 2-12 business days
- Europe: 5-13 business days

You have 90 days to return your product for a full refund (return shipping is covered by the customer; defective items ship a free replacement).

✓ Official Authorized Retailer

This product is not available on Amazon or eBay. You are purchasing directly from the only authorized seller — which means full warranty, verified authenticity, and dedicated customer support. Beware of counterfeit listings on third-party marketplaces.

BlameCheck ECM motor tester

BlameCheck

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  • Over 17,000 recommend BlameCheck

What you get in the kit

cable

One tester, both ECM plugs

Match your motor label to the 16 pin ECM 2.3 plug or the 4 pin ECM 3.0 plug. A red spade wire covers the X13 rotation signal.

toggle_on

Read the test at a glance

Confirm power, then start the test with one flip. A 24 VAC light, a START test light and an I/O rocker switch do the job.

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electrical_services

Clip on without stretching

Reach your terminals from where you stand. Black and red alligator clips sit on 61 cm (24 in) leads.

straighten

Fit it in a tight closet

Slip it into a tool bag or set it beside the furnace. The body measures 9.9 x 1.8 cm (3.9 x 0.7 in), leads excluded.

Frequently Asked Questions

verified +347 experts reviewed it as the best choice in 2026
Q1 Does it work on X13 motors?
Yes. X13 Evergreen is one of the motors it works with, and the red wire with an insulated spade terminal carries the X13 rotation signal. Check your motor label to confirm the type.
Q2 Will it work on my specific furnace brand?
Match by motor type. Check your motor label for ECM 2.3, ECM 3.0 or X13 Evergreen; the 16 pin and 4 pin connectors and the red X13 wire are made for those.
Q3 The power light is on but the motor won't spin. Why?
The 24 VAC light shows the tester has 24VAC power. If the motor still doesn't move, go back through the steps above: harness plugged into the matching connector, clips on 24VAC, then the rocker switch.
Q4 Is it universal, or do I need extra adapters?
The motor connectors and the X13 wire are already part of the kit, so you have nothing extra to buy for those motor types. Match your motor label to the right plug and you're ready.
Q5 Does it need batteries?
No. It runs on your system's 24VAC through the clip leads, so there are no batteries to replace. It also has built-in short circuit protection, and the 24 VAC light shows power is reaching it.
Q6 Can it tell me if the control board is bad?
It checks the motor on its own, with the tester powered from your 24VAC terminals. It is built for the motor check you want before you order a part.
Q7 Is it worth it if I only see ECMs now and then?
It can be. There are no batteries to replace, the compact body sticks on by its magnet, and you get a check before you order a motor. It stays ready for the call that comes up now and then.
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