Glow Plugs - replace singles or all? - Ford Powerstroke Diesel Forum
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post #1 of 3 Old 01-25-2011, 03:38 AM Thread Starter
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Glow Plugs - replace singles or all?

I have had several folks suggest that you test and replace them individually as they fail. Their logic is they are electrical devices and their failure rate is completely random.

I was thinking that you'd want to replace all at once because, they would all operate at a different resistance and the loads between them would be unbalanced, stressing some more than others.

Opinions?
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post #2 of 3 Old 01-25-2011, 07:50 AM
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I have done it both ways. I was doing them individually for years until i started having some issueswith the wiring from the Starter solenoid to the GP solenoid. (melted at connection. Not sure if this was age or changeing one at a time. I had about 300 k mile on the truck so i did all of them at once, I used the more expensive ones (Bosch maybe, someone help me out here). i eliminated the 2 wires between the solenoids and went back in with a 4 gauge battery cable with 14 amp Fuseable links at the start solenoid. truck now has 486k miles and starts right up even 30 weather.

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post #3 of 3 Old 01-25-2011, 07:51 AM
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" i eliminated the 2 wires between the solenoids and went back in with a 4 gauge battery cable with 14 amp Fuseable links at the start solenoid"

that actually that was two 14 amp Fusable link,

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'88 F 250 7.3 IDI
'00 F 350 4x4 7.3 PSD
'05 Excursion 4x4 6.0 PSD
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