_martinslr_
Posted 27 February 2021 - 02:51 PM
Hi Members
would anyone be able to help with a late 1977 Lx Slr5000 A9x wiring diagram
have looked at the Lh and Lx diagrams posted on this forum and some things shown are different to my model and the lx diagram is a little bit difficult to read properly
Thank you for any help
Technical + Numbers Guru + Moderator
Posted 27 February 2021 - 07:18 PM
AFAIK the only wiring difference or addition for an A9X would be for the addition of the electric radiator fan.
What other differences have you noticed ?
Dr Terry.
Oh My, Don't you post alot
Posted 27 February 2021 - 07:53 PM
Technical + Numbers Guru + Moderator
Posted 27 February 2021 - 09:20 PM
All of those
Would be small things like twin switch brake fail switch. Brake fail. Hand brake warning lights on the cluster. Headlight wiring with the relay.
All of those items are shown here:- http://www.gmh-toran...wiring-diagram/
Check out post #6.
Dr Terry
Forum Fan
View Garage
Posted 28 February 2021 - 06:30 AM
The only thing missing on that diagram for an A9X would be the thermo fan, relay and radiator temperature switch
A9X Fan wiring harness.jpg 136.33K
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_martinslr_
Posted 28 February 2021 - 03:40 PM
Thanks everyone for replying. Main problem i have is in the engine bay there is a pink wire that goes to a connector plug which on the opposite side is a green wire and this feeds into what i've been told is the quadrejet carby idle solenoid.
This pink wire is always live with 12 volts regardless of key being turned off or on and can't seem to find this shown on any wiring diagrams
Other minor problem is park brake warning light is always on
Have tried disconnecting the park brake switch wire + earthing this wire and the same with the brake master cylinder switch which has 2 wires coming off it
I'm pretty hopeless with electrics so any help is much appreciated
Technical + Numbers Guru + Moderator
Posted 28 February 2021 - 05:43 PM
If you have 12V at the pink wire you have a major issue at the ignition switch. The wiring for this is shown on the LX diagram on the extreme left & labelled "anti-dieseling solenoid".
Same with the park brake light & brake fail lights, if you have unplugged (or disconnected) the park brake switch & the m/cyl switch, neither light should illuminate. That suggests issues with either the dash cluster wiring, or again the ignition switch.
Dr Terry
_martinslr_
Posted 01 March 2021 - 02:44 PM
Dr Terry
thank's for your advice again and i'll try troubleshooting in those areas
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