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Lumenition IGNITION

Here’s where to discuss anything specific about your standard(ish) car or something that applies to the model in general.
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swordfishdani1960
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Lumenition IGNITION

Postby swordfishdani1960 » 07 Aug 2019 15:45

hI I Have attained this system ,and it has no wiring gram
its for delco distributor,which i have as well .as i can see in the distributor
there is an eye system ,this connects to a plug ,that remains the cables
left Black, Brown, Red .so i assume that Blacks Earth. reds ignition Brown coil
i received the coil as well and the Brown cable has a spade clip on it .so does the coil
negative side This came out a Tr7 ,can any body help in the installation of this .,
most great full

busheytrader
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Re: Lumenition IGNITION

Postby busheytrader » 07 Aug 2019 18:00

Hopefully this helps......

https://autocar-electrical.co.uk/images ... -hints.pdf

I've had Lumenition Optronic on my V8 for about 28 years and no issues, although others here have had problems.

Beans
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Re: Lumenition IGNITION

Postby Beans » 07 Aug 2019 21:57

Is the coil 6V or 12V?
Image
1976 TR7 FHC (currently being restored ...)
1980 TR7 DHC (my first car, a.k.a. Kermette)
1981 TR7 FHC (Sprint engined a.k.a. 't Kreng)

http://www.tr7beans.blogspot.com/

swordfishdani1960
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Re: Lumenition IGNITION

Postby swordfishdani1960 » 07 Aug 2019 22:11

12 volts

Beans
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Re: Lumenition IGNITION

Postby Beans » 08 Aug 2019 18:38

In that case you have to bypass the ballast wire in the loom, otherwise you'll only get 6V at the coil
Image
1976 TR7 FHC (currently being restored ...)
1980 TR7 DHC (my first car, a.k.a. Kermette)
1981 TR7 FHC (Sprint engined a.k.a. 't Kreng)

http://www.tr7beans.blogspot.com/

Hasbeen
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Re: Lumenition IGNITION

Postby Hasbeen » 09 Aug 2019 08:06

It was the Lumenition ignition system on my 7 that gave me my worst headache in my 17 years with the car.

It would become very mildly hesitant on small throttle openings in the first 3 or 4 kilometres of a drive. It would never show a fault by the time I got to town, & a good auto electrician. I could not decide if it was a fuel or ignition problem.

Each time I cleaned everything, replaced wires, changed from bayonet fittings to ring end fittings bolted tight or any other attempt to find the fault it would be fine for a few months, then revert.

It was only when it went to cutting the engine for a second or so that we found the fault.

Hope you don't have such a problem.

Hasbeen

Maki
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Re: Lumenition IGNITION

Postby Maki » 09 Aug 2019 12:28

I had this on my V8, however, it caused many a headache. In the end I sent it back, they said it was fine but it clearly was not as I replaced it with a Powerspark distributor and the car has never run better!

swordfishdani1960
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Re: Lumenition IGNITION

Postby swordfishdani1960 » 13 Aug 2019 08:45

Had a look for the BALLAST RESISTOR CAR DOEST HAVE ONE
MY COIL IS WARM ,AND HAS 12 VOLTS ON IT WHEN RUNING
CARS PRE 77/ IS THIS THE NORMAL

Beans
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Re: Lumenition IGNITION

Postby Beans » 14 Aug 2019 18:35

It is not! Though the coil will get warm during operation
Image
1976 TR7 FHC (currently being restored ...)
1980 TR7 DHC (my first car, a.k.a. Kermette)
1981 TR7 FHC (Sprint engined a.k.a. 't Kreng)

http://www.tr7beans.blogspot.com/

swordfishdani1960
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Re: Lumenition IGNITION

Postby swordfishdani1960 » 16 Aug 2019 12:33

Well the coil has been in the car since new would say its lasted well
and the cars a 1977 ,they now dont make parts like they used to
all shit now from china ,and the uk is going to follow suit

Beans
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Re: Lumenition IGNITION

Postby Beans » 17 Aug 2019 00:54

I have been using Bosch 6V coils for as long as I drive my TR7's (since 1988), never had any problems
How did you measure the voltage @ the coil?
Image
1976 TR7 FHC (currently being restored ...)
1980 TR7 DHC (my first car, a.k.a. Kermette)
1981 TR7 FHC (Sprint engined a.k.a. 't Kreng)

http://www.tr7beans.blogspot.com/

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