The OEM plugs are NOT TEMPERATURE LIMITING. They will melt if your controller applies voltage too long. The $21.15 ones can be left on forever without melting because they have a built in temperature limiting feature.
While we are on this topic (and because I am too lazy to go pull one right now), are the beru's (ZD-9) 6v or 12v?
Reason I ask is when I went to manual control I also replaced all of the wiring...each GP sees a solid 12v; I HAD 8 new beru's ZD-9's...3 are now dead - they lasted all of maybe 3 weeks, typically the longest duration on was 6~7 secs, longest was 12.
I read somewhere that the zd-9's were 6v, and if so i am thinking going to a good 12v plug may be more reliable
When they failed, did they swell up at all or did they just go open circuit?
are these ones here,that you mention for $68 each the same as those basically?-oops.correction.thats $68 for a set of 8! coooooool. Glow Plug - Military Humvee 6.5L
splicing new connectors is easy enough.
this is good stuff!
The 6.2/6.5 GMC engine uses the same thread, seat & depth as the 6.9/7.3. The military used dual coil temperature limiting GPs in the HUMVEEs.
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