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A lead tech in Dallas told me to stop chasing the red wire first
Tbh, I used to always tackle the fault that looked the worst, like a cracked harness or a burnt pin. A senior guy, Marcus, pulled me aside after I spent 3 hours on a sensor fault that turned out to be a bad ground at the rack. He said 'start with the cheapest test and the easiest connector, not the scary one.' Now I always check the pins with my Fluke 87 first, even if it feels slow, and I catch most issues in 20 minutes. Has anyone else had to unlearn the habit of going for the flashy fix first?
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ryang771mo ago
Hold up, but that flashy fix is usually the one that actually got diagnosed right the first time. Marcus sounds like the type to spend 40 minutes swapping relays and checking grounds while the real issue is a chafed wire that only shows up under load. Sometimes the scary looking damage is the actual root cause, not a side effect, and slowing down just gives the gremlin more time to hide.
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