b'stard hiace blows glow plug fuse

hi.
looking for a little help.
i have a 2.8d hiace custom which i am not able to start now the weather has turned cold. it has been getting progressively more difficult.
i have narrowed it down to glow plug fuse which keeps blowing as soon as i turn the key but cannot suss out why. In my search for the non starting i first removed the glow plugs then found that i had nt taken proper notice of how the glow plug wire had been seated back on the engine with 2 copper washers and i am now wondering if this could cause the shorting out?

i did remove the live feed to the glow plug wire that joins the 4 together and turned the ignition key until the heater light went out and tried starting the engine and this did not blow the fuse. When i reconnected it it blew so i am assuming that the fault lays after the connection between the live feed connection and glow plugs. is this a fair assumption? Apart from a short somewhere else on the wiring loom this is all i can think of.
Any ideas or advice on solving this problem would be so appreciated as i am running out of ideas and thinking of phoning an auto electrician( which really breaks my heart )

thanks.

Check here it may help

https://hiace-super-custom.forumotion.com/sparky-lives-ere-f2/glow-plugs-t634.htm#3180

Dont know if this helps.

Also for bad start check these

thanks for the replies but problem still not solved.
cheers

can anyone suggest an auto electrician in bristol or surrounding area?

If you have had the connection to the glow plug rail distured that is where i would look first.

Although mines the 3.0 I could pop round at the weekend and see if the two compare?

Thanks for the ooffer Clive but yesterday morning i gave up and called a guy from the yellow pages who sussed it out in a flash.
turns out that in the past the insulting washers the clamp the glow plug rail to the block had been removed and replaced with metal ones. i made a washer from perspex and a notoriously hard starter started like never before in sub zero conditions with an almost flat battery on the first crank.
thanks to everyone for the advice, hope i can offer some back one day.