Instrument panel earth

[Mark Hosegrove]

Hi, I'm attempting to re-wire TC0917 with a new loom purchased from Moss UK. I'm following the 1945-48 (Home market) wiring diagram from the TC Instruction manual, and I've got a question regarding the earthing of the instrument panel. Looking at the diagram it appears that the two panel lamps are earthed to the panel via their brackets. As far as I can see, the only place the panel itself might get earthed is via the positive inspection socket. Is the correct? Do I have to isolate the negative inspection socket from the panel, but make sure that the positive socket has a good electrical contact with the panel? When I purchased the car I inherited a home-spun loom that didn't connect up things like the Ammeter (it didn't have one), panel lamps, inspection sockets and fog lamp, so I'm unable to use the existing wiring as a guide. Any help much appreciated. Mark Hosegrove (Exeter, UK).

[Dean Jensen]

Mark That is correct, that is the earthing point or grounding point, and if you are using positive ground, the negative terminal has to be isolated from the panel. If you have the sockets, one of them should have an insulator, it would not hurt to run a jumper from the tub to the panel also, just to make sure you have a good ground, any type of stranded copper wire would do, it would not have to be very heavy (small gauge will do) Dean -----Original Message----- From: Mark Hosegrove [mailto:mhosegrove@eclipse.co.uk] Sent: Thursday, June 20, 2002 2:41 AM To: mg-tabc@yahoogroups.com Subject: [mg-tabc] Instrument panel earth Hi, I'm attempting to re-wire TC0917 with a new loom purchased from Moss UK. I'm following the 1945-48 (Home market) wiring diagram from the TC Instruction manual, and I've got a question regarding the earthing of the instrument panel. Looking at the diagram it appears that the two panel lamps are earthed to the panel via their brackets. As far as I can see, the only place the panel itself might get earthed is via the positive inspection socket. Is the correct? Do I have to isolate the negative inspection socket from the panel, but make sure that the positive socket has a good electrical contact with the panel? When I purchased the car I inherited a home-spun loom that didn't connect up things like the Ammeter (it didn't have one), panel lamps, inspection sockets and fog lamp, so I'm unable to use the existing wiring as a guide. Any help much appreciated. Mark Hosegrove (Exeter, UK). Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/

[Sam Suklis]

I sort of remember that the earthing-wire for the panel went on one of the threaded posts for either the speedometer or the tach. Sam Suklis

----- Original Message ----- From: "Mark Hosegrove" mhosegrove@eclipse.co.uk> To: mg-tabc@yahoogroups.com> Sent: Thursday, June 20, 2002 1:41 AM Subject: [mg-tabc] Instrument panel earth > Hi, I'm attempting to re-wire TC0917 with a new loom purchased from Moss > UK. I'm following the 1945-48 (Home market) wiring diagram from the TC > Instruction manual, and I've got a question regarding the earthing of > the instrument panel. Looking at the diagram it appears that the two > panel lamps are earthed to the panel via their brackets. As far as I > can see, the only place the panel itself might get earthed is via the > positive inspection socket. Is the correct? Do I have to isolate the > negative inspection socket from the panel, but make sure that the > positive socket has a good electrical contact with the panel? When I > purchased the car I inherited a home-spun loom that didn't connect up > things like the Ammeter (it didn't have one), panel lamps, inspection > sockets and fog lamp, so I'm unable to use the existing wiring as a > guide. > Any help much appreciated. > Mark Hosegrove (Exeter, UK). > > > > Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/ > > >

[yd3@nvc.net]

ON the TD with internal lighting for the speedo and tach, there are earth wires from the mounting stud wheels of the instruments to the dash panel. That's because of the rubber mounting rings under them. Blake

[joecurto@aol.com]

Not to mention the wooden dashboard. Curto [Non-text portions of this message have been removed]