SNG Ignition System problems
#1 SNG Ignition System problems
Hello all Series 3 owners; If you have the latest from SNG.....this ever happen ? Driving along, no problem, and engine shuts down, will crank, but not restart ?? Ever happen ? Coil is new, amplifier only 2 years old, all wires fresh, new plugs, strong battery, distributor in great shape ......suggestions ? Engine temperature not a part of the problem...can happen hot or cold. Love to hear a solution. Thanks.
JC
JC
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#2 Re: SNG Ignition System problems
Fuel pump?
Steve
69 S2 2+2 (just sold) ..Realm C type replica, 1960 xk150fhc
69 S2 2+2 (just sold) ..Realm C type replica, 1960 xk150fhc
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#3 Re: SNG Ignition System problems
Not fuel related. Ignition. Thanks.
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#4 Re: SNG Ignition System problems
If it just cuts.out then loose wire somewhere (or a dry solder joint somewhere) . If it coughs and splutters as it dies then fuel supply issues....
Julian the E-type man
1962 FHC
1966 MGB....fab little car too
1962 FHC
1966 MGB....fab little car too
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#5 Re: SNG Ignition System problems
Not fuel. Just stops, no longer a spark , all wires tight, nothing loose. Most components in the SNG system new, or relatively new. Looking for an owner with same ignition who had similar problem.
Thanks for trying to help.
Thanks for trying to help.
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#6 Re: SNG Ignition System problems
Are you sure it's not an ignition switch fault ? A dead cut sounds suspiciously like a complete instantaneous loss of voltage , rather than a systemic fault which in my experience often causes misfiring, backfiring etc before it gives up the ghost . I should trace 12v throughout the system next time it happens
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#7 Re: SNG Ignition System problems
These may be helpful?
Kirby Palm's tome (pages 153-157) includes owner experiences and troubleshooting tips for CEI/AB14 ignition system which is what the SNG system is?
https://1drv.ms/b/s!AiSPBKa26IcchJgyI0COwjxZnCBnmQ
Also, here is Jaguars tests to check this ignition amplifier:
https://1drv.ms/b/s!AiSPBKa26IcchMNzvYaPaCYzeLnHCA
Good luck ...
Kirby Palm's tome (pages 153-157) includes owner experiences and troubleshooting tips for CEI/AB14 ignition system which is what the SNG system is?
https://1drv.ms/b/s!AiSPBKa26IcchJgyI0COwjxZnCBnmQ
Also, here is Jaguars tests to check this ignition amplifier:
https://1drv.ms/b/s!AiSPBKa26IcchMNzvYaPaCYzeLnHCA
Good luck ...
Regards,
ColinL
'72 OTS manual V12
ColinL
'72 OTS manual V12
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#8 Re: SNG Ignition System problems
JJC
Would love to hear about your, hopefully, solved problem with your V12.
Cheers
Would love to hear about your, hopefully, solved problem with your V12.
Cheers
Paul
1972 S3 OTS, 32k mls, a survivor.
1972 S3 OTS, 32k mls, a survivor.
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#9 Re: SNG Ignition System problems
Hi Paul...he,s been banned from the forum.....Steve
Steve
69 S2 2+2 (just sold) ..Realm C type replica, 1960 xk150fhc
69 S2 2+2 (just sold) ..Realm C type replica, 1960 xk150fhc
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#10 Re: SNG Ignition System problems
Hi - I had what seems to be a similar problem.
First trial: Connect a cable between the positive of the battery and the positive terminal of the ignition coil. If the engine starts and runs OK then the problem lies with the ignition system between the ignition switch and the coil.
I had purchased a new ignition switch harness from SNGB (part number C35845) and the car suddenly stopped running a few months after I'd fitted it. One of the wires (white/yellow if I recall correctly) on the back of the ignition switch side of the harness had come adrift due to poor soldering. Easy to fix by removing the harness and re-soldering the connection.
If that's not the problem, then there's a poor/broken connection elsewhere in that part of the circuit.
Hope that may help and please let us know.
Good luck
Chris
First trial: Connect a cable between the positive of the battery and the positive terminal of the ignition coil. If the engine starts and runs OK then the problem lies with the ignition system between the ignition switch and the coil.
I had purchased a new ignition switch harness from SNGB (part number C35845) and the car suddenly stopped running a few months after I'd fitted it. One of the wires (white/yellow if I recall correctly) on the back of the ignition switch side of the harness had come adrift due to poor soldering. Easy to fix by removing the harness and re-soldering the connection.
If that's not the problem, then there's a poor/broken connection elsewhere in that part of the circuit.
Hope that may help and please let us know.
Good luck
Chris
Chris Davies
1972 Series 3 2+2
1972 Series 3 2+2
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