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In this video we learn the value of taking the time to test a component even when you are SURE you know what is wrong! Although I have over 15 years of experience working on cars and know what a bad starter sounds like I still take the time to prove the failure even though it can sometimes be a pain in the neck to do. We see a perfect example in this video of a poor connection (voltage drop) that makes the vehicle exhibit the classic sound of a bad starter… -Enjoy!

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39 thoughts on “TEST DON’T GUESS!

  1. Yep always test….I did emergency generator work for years. Many were remote locations and no parts stores for miles. We would take what we thought it would be according to what the customer told us. Yep, found bad connections, mice, squirrel and other damage.

  2. I had a Buick like that and replaced the starter but didn't solve the problem. End of story it ended up being the ignition switch. Rare but true. Replaced it and it fired every time.

  3. Doesn't every mechanic have a pile of partially melted tools from taking the wires loose "real quick" without disconnecting the battery? Maybe it's just me…

  4. I got a fuel pump work order on an 09 GMC truck. I disconnected the connector for fuel pump pulled it over frame into rear wheel well, plugged a light bulb between power feed pin and ground pin of connector turned key on and no light. Imagine I had trusted that the past guy had done his diligence when calling the F pump….

  5. KIA's a Winner. If you take the time to TEST or not..If we had just replaced the starter..Well..would have cleaned up the fittings for a good connection 🙂

  6. I am stealing the phrase of, "Test, don't guess," to leverage in my IT job with my tier one folks that want to escalate everything before even replicating and witnessing the problem because they have never seen it or assume it's a server/infrastructure issue. (How can the mail server be down when 299 out of 300 people are OK, but 1 user has an issue? C'mon…)

  7. Worked for a auto repair shop for a few months and I was shocked about how he worked , I seen so much wrong going on , I quit because I was sick of all that was going on. Such a shame
    Everything was real quick , do this , screaming , yelling.
    Was just too much for me and how little he paid

  8. Your videos often make me wonder how many times I've been unnecessarily parts-changed. That's why I'm doing my own work again. Eric, your videos are the best. I think I've made this same type of comment every time I've posted on SMA videos, but I'm just darn grateful!!

  9. "Replaced starter for intermittent crank" is throwing parts at a problem. A bad connection at the starter is not unusual. I've seen loose connections there (and in many other places) on brand new cars. Most recently a Ford Fiesta was towed twice and had a good battery replaced before it was taken to a Ford dealership, where an older mechanic troubleshot it properly.

  10. under 67 Catalina in Michigan, using cinder blocks, trans ready to fall out, broke every cinder block. then I hear what do I do? I yelled" go to lunch," lucky frame fell on trans and I crawled out! two years later did it again another 69 Catalina in Ohio. No more blocks only jack stands. tell your wife they do fall on the mechinic

  11. I've seen this happen quite often on older chevy and dodge starters, but the bad connection happens on the inside of the solenoid, between the post and copper contact ring. Those solenoids you could take apart and clean the contacts, polish the copper ring, and be back in business. Also, a bad starter will also mimic a bad battery but you can do an amperage draw test on a starter and see if it's out of specification before replacing it.

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