WEIRD thing happened while testing voltage drop on 95 Honda Accord?
95 Honda Accord
Automatic transmission
2.2L
Been having a no crank, no start issue, bought a new starter, installed it but it still won't crank.
I tested the S terminal wire, which sends the start from the ignition when the key turns by removing it and using a voltmeter and it receives the full 12V, so I move onto checking the starter.
I clamp a jumper cable to the S terminal itself, the other end on the battery and it cranked and started right up, so I assume the starter is ok.
Next, I check to see if there's any voltage drops, from the large 12V constant battery cable that runs from the battery's positive post to the starter. I take my voltimeters positive lead, touch it to the large 12V post on the starter, that connects to the battery and take the other lead of the voltimeter to the battery's positive post. This where it gets weird… I ask my brother to start up the car, I'm expecting to get a voltimeter reading, either a drop in volts or no drop on volts, but instead, the start cranks right up and the engine starts running like normal?
I tell him to turn it off and try it again but it starts right up again! I wanted to see if the wires are corroded, need replacing, but it just starts up like normal?
Does anyone know why? Maybe the wires are bad and need to be replaced since I'm basically running a new connection when I'm testing it? The wires were pretty bad, but I've already cleaned both ends pretty good, tried to start it up but get nothing.
Well, you have enough amps to start it. The theory about the "new connection" is weird because the volt meter is small gauge wire, hardly enough to replace the big Positive cable. I suspect some hidden corrosion somewhere. "Tag" all the wires with a pc of masking tape, labeled, as you take them back off, wire brush everything, start over. Is this a "stick"? Neutral safety switch on the clutch pedal? (just saying)
The battery is brand new, I thought that it was the problem before I bought the new starter. I needed one anyways, it caused the corrosion that's on the wires.
I'm not a mechanic or anything, I followed this post, it speaks of voltages, nowhere do I see amperage, so I'm not sure what you're referring to?
http://troubleshootmyvehicle.com/honda/3.0L/how-to-test-the-starter-3
So what does the volt meter read at the battery with the engine running? Have you had the battery load tested to see what the reserve amperage capacity is. Amperage spins starter motors not voltage.
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