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Re: T25 DG no spark
Posted: 04 Mar 2017, 15:37
by stretch616
Just thought I'd post a picture of the 3 pin connector block that's attached to the dizzy for people to cast their eye over
20170303_163830.jpg
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Re: T25 DG no spark
Posted: 05 Mar 2017, 08:44
by VERAT25
I had a similar problem/ took weeks to sort out. the fault was tracked back from the black box in engine bay to fuse box.
the feed wire to black box had no power, and was found to be melted where it connected in fuse boc.
once we rewired away she went/ been ok since
the aa spent 4 hours on it and got nowhere.
not saying this is your prob/ but may be worth a look
verat25
Re: T25 DG no spark
Posted: 05 Mar 2017, 10:02
by stretch616
VERAT25 wrote:I had a similar problem/ took weeks to sort out. the fault was tracked back from the black box in engine bay to fuse box.
the feed wire to black box had no power, and was found to be melted where it connected in fuse boc.
once we rewired away she went/ been ok since
the aa spent 4 hours on it and got nowhere.
not saying this is your prob/ but may be worth a look
verat25
Thanks for that. I'll take a look later on. Really am running out things I can replace!!
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Re: T25 DG no spark
Posted: 05 Mar 2017, 14:58
by stretch616
20170305_135643.jpg
Using the above set up and putting the ignition on, I grounded the pulse going into the distributor. For the first time, I've got a spark!! From the instructions I was following it points to a faulty hall sender unit. I'm plumping for the entire dizzy module as there's mods that have to be done to the current hall senders you can get. Will let you know how it goes
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Re: T25 DG no spark
Posted: 09 Mar 2017, 19:22
by stretch616
Final update!! Replaced the distributor tonight and set the timing. Started up first time without even really trying. Considering what it used to start up like I'm guessing that the dizzy was on its way out for a while. Thanks for the input on this thread guys. Much appreciated, I'm just over the moon to have my Brian back!!!
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Re: T25 DG no spark
Posted: 10 Mar 2017, 10:00
by ermie571
stretchie - did the struggle to start include slow turn initially - as if the engine was tight..or the timing was out??
Re: T25 DG no spark
Posted: 11 Mar 2017, 10:19
by stretch616
ermie571 wrote:stretchie - did the struggle to start include slow turn initially - as if the engine was tight..or the timing was out??
It was always turning over fine. It's just now twigged that it has been struggling to get a spark for a while. Only time I got a slow turn was when I was trying to get it to start multiple times after replacing bits and bobs and the battery charge dropped low
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