[3rd Gen : 96-00]: Using a power probe on a single wire
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Professional
Joined: Jan 2010
Posts: 113
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From: centrial virginia
Using a power probe on a single wire
I saw a video where a tech used a power probe to test the single wire (cooling fan relay to the pcm). With the a/c on or engine hot the green light blinked.(pulsed) on the power probe. Can I use a test light or a multimeter to do the same thing?
Thread Starter
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Professional
Joined: Jan 2010
Posts: 113
Likes: 1
From: centrial virginia
testing relay single wire from relay plug to ecm
1999 caravan cooling fans not coming on.Not sure if a test light or a multimter would damage the ECM. The only test I have left is the single wire to the ECM.