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#886441 02/29/04 11:20 PM
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I just want to make sure I'm doing this right. I'm testing my IMRC because it's not working. Cables look fine but I'm testing the box. I just bought a voltmeter. I want to make sure I'm doing this right... I put the key in the run position, probe the black/red strip wire with the red probe and ground the voltmeter with the black ground probe. What setting should I have the voltmeter on? I think it's 20 dcv. I should get fluctuations, right? I then grounded the black/red stripe wire with a paper clip. Motor doesn't engage on the IMRC. So the box is dead. Did I do this right? I should have bought a test light, simpler to use. Well the test light was 7 bucks and the digital multitester was 13 bucks so i went with the voltmeter.

Please clarify. Also, should I have to replace my IMRC box, I just buy the box, but do I need to remove the manifold to reconnect the cable to the secondaries? Do I have access? And, I'm lazy, I don't want to pull the manifold if not necessary to clean the lim. I was thinking of just pouring some cleaner in through the vacumme lines of the manifold. What cleaners to use?

Thanks,


stock 1998 silver frost SVT E0 #1545 out of 6535 * K&N drop-in air filter * DMD * Koni's w/ stock springs * Autolite double platinum * Tranny cocktail * Mobil 1 Snyth Oil @ 60K miles
#886442 03/01/04 02:06 AM
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I can answer your questions regarding the usage of the meter only.

You correctly selected the 20 VDC scale and connected the negative lead to a good ground.

The drive voltage for the IMRC should be either battery voltage or 0 volts. One or the other. One will cause the IMRC to activate around 3000-4000 RPM (whatever the threshold point is on the Contour), the other will cause it to de-activate. I don't know which, and at this point, it really doesn't matter as all you need to do is observe the control voltage change at the proper time.

Perhaps someone else will chime in with the correct voltage values.

Steve



98 Contour SE Sport 2.5 Duratec ATX The wifey's car 89 Taurus SHO - 246K miles 94 SHO ATX - 190K 1997 F-150 5.4L ATX - The Workhorse 150K. ANY THREAD WITH "OMG" or "WTF" ETC IN THE TITLE WILL BE IGNORED!
#886443 03/01/04 04:28 AM
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Can anybody tell me by grounding out the black/red striped wire on the connect to the imrc will start the motor in the imrc box?


stock 1998 silver frost SVT E0 #1545 out of 6535 * K&N drop-in air filter * DMD * Koni's w/ stock springs * Autolite double platinum * Tranny cocktail * Mobil 1 Snyth Oil @ 60K miles

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