Can i start my 78 w123 with a new style relay without conversion?
Is there a way to repair or test a old style w123 relay( by the steering colum type)

i got all new glow plugs but the gp light wont come on and its not firing, i only see intermitent yeloww gp light when i hit the ignition and try and start it.
Thanks in advance and any help is great.