glow plug resistance - Land Rovers Only

tim gear · 05-06-2006, 02:00 PM

Hi,
have just wired up a new glow plug circuit, parallel type with diesel glow plugs. I am running it through a 70 amp relay rather than direct from a switch as previously. My ammeter shows 60+ amps when operated, no smoke or heat in the circuit and the engine starts ok.
It seems a very high amperage was expecting about 40 amps. Anyone know if this is o.k. or have I got an inaccurate ammeter

regards tim gear

pickuprover · 05-07-2006, 08:36 PM

Sorry I am not ignoring you... but unfortunately I have no idea about deisel resistance... was hoping someone would chime in... maybe posting it in the defender section might help as there might be more diesel guys?

tim gear · 05-08-2006, 12:16 AM

HI,
no problem, their is no heat or smoke in the circuit when operated so I guess it is o.k., basically was looking for other peoples experiences. I know the older type glow plugs in series take around 35/40 amps so was surprised at the power drain.Still plenty of other problems to deal with.
regards tim gear

pickuprover · 05-08-2006, 05:38 AM

Well I seem to remember that when my brothers diesel (2.5) used a lot of amps when we had to jump the relay..actually melted 16 guage wire..sooo... would not think that your draw would be too bad.... but not positive..

05-06-2006, 02:00 PM	#1 (permalink)
tim gear tim gear Join Date: May 2006 Location: weymouth Posts: 5 Gallery: 0	glow plug resistance Hi, have just wired up a new glow plug circuit, parallel type with diesel glow plugs. I am running it through a 70 amp relay rather than direct from a switch as previously. My ammeter shows 60+ amps when operated, no smoke or heat in the circuit and the engine starts ok. It seems a very high amperage was expecting about 40 amps. Anyone know if this is o.k. or have I got an inaccurate ammeter regards tim gear

05-07-2006, 08:36 PM	#2 (permalink)
pickuprover Senior Member Join Date: Jan 2006 Location: London, Ontario, Canada Posts: 2,364 Gallery: 0	Sorry I am not ignoring you... but unfortunately I have no idea about deisel resistance... was hoping someone would chime in... maybe posting it in the defender section might help as there might be more diesel guys? __________________ Andrew Barr. 1972 Series III 109. "the Tin Turtle" "However, that was his ploy and I caved....totally caved... LOL!" Jellijo

05-08-2006, 05:38 AM	#4 (permalink)
pickuprover Senior Member Join Date: Jan 2006 Location: London, Ontario, Canada Posts: 2,364 Gallery: 0	Well I seem to remember that when my brothers diesel (2.5) used a lot of amps when we had to jump the relay..actually melted 16 guage wire..sooo... would not think that your draw would be too bad.... but not positive.. __________________ Andrew Barr. 1972 Series III 109. "the Tin Turtle" "However, that was his ploy and I caved....totally caved... LOL!" Jellijo

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05-08-2006, 12:16 AM	#3 (permalink)
tim gear tim gear Join Date: May 2006 Location: weymouth Posts: 5 Gallery: 0	HI, no problem, their is no heat or smoke in the circuit when operated so I guess it is o.k., basically was looking for other peoples experiences. I know the older type glow plugs in series take around 35/40 amps so was surprised at the power drain.Still plenty of other problems to deal with. regards tim gear

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