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I got the digital amp meter, no wiring instructions. I found some instructions online, but it has an external shunt that is supposed to get wired in between the “load” and the battery negative. Plus, it may need a separate 12v power supply for the actual power to the amp meter. Other than that, it’s well worth the $9.
It may have been 3.0 ohms. I was so cold by the time I got them out that I just remembered there was a difference in resistance on 2 of them and OL on the other. The 2 had the same resistance and both glowed within a few seconds of 12V applied. I ordered a new one from Affordable today and I will spec it out prior to install. I still haven’t gotten my digital amp meter yet. I am thinking that getting cherry red means the 2 are good.
I am confused. 4A x 0.3 ohm = 1.2V
I didn’t count the seconds but it was less than 10. Wouldn’t that be 40 amps?
2 of the glow plugs heated up. The other one had no continuity and did not heat at all.
OK, I got a glow plug out. It measured 3 ohms, but I used my jump box to put 12v on it and it glowed red.
Ordered it off eBay. They have 10, 50, & 100 amp models. Only 1x1x1 1/2 inches big and I doubt it would hold up to outdoor weather. As far as the glow plugs go, I was just used to our Army trucks taking 20-30 sec to go thru the glow plug cycle. If 10 sec will work then all the better.
I have been triggering them for about 30 seconds
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You must be logged in to view attached files.I found a 50A digital DC amp meter to wire in to the glow plug circuit. $9 so I hope it works.
Tachometer is working, at least it’s reading and probably pretty close. It was the red +12V wire, that had no power. One by one it’s coming together. Now, I’ve got to get that lift cylinder rebuilt and the glow plugs working. It’s been hard to start in this 30-35 degree weather. I also have to fix some grease fittings, which appear to be 6mm x 1.0mm
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