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Glow plug wiring

Moderator: -Scott-



Posts: 78

Joined: Mon Apr 14, 2008 2:18 pm

Location: Maryborough qld

Post Mon Jun 29, 2015 9:53 pm

Glow plug wiring

Just did rd28 to td42 conversion in my gu .hooking the glow plugs up through a push button on dash with inline 35 amp fuse every time I push the button the fuse blows is the fuse big enough and should it go through a rely :armsup:


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Posts: 1400

Joined: Sat Mar 06, 2010 1:24 pm

Location: Western Burbs Melb

Post Mon Jun 29, 2015 10:16 pm

Re: Glow plug wiring

Highly likely not enough , My little Bravo has a 60 amp fuse - suggest you might want to check out what is actually correct for your vehicle
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Posts: 529

Joined: Tue Jan 15, 2008 1:33 pm

Location: Cooma NSW

Post Tue Jun 30, 2015 8:57 am

Re: Glow plug wiring

According to my Haymes manual for the Pajero, the resistance for the glow plugs should be 0.05 to 0.07 ohms. At 12 Volts, 0.06 ohms corresponds to 200 amps. OK - as they start to heat up, the resistance increases, and the current decreases but I would say that your fuse rating is way too low. You would need a slow blow fuse if you are going that way. I would recommend a relay because the currents are very high. The Pajero uses a busbar for the glow plugs so that in itself indicates that the currents are high.

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