North American Turbocoupe Organization



Flaky Electronics - Common Ground Point?
ameswarb Offline
Junior Member
#1
I've been having an issue where if I hit a bump in the road or turn a little sharply the following devices will all go out: Radio, window controllers, windshield wipers.

I'm guessing that I have a loose ground somewhere. From what I can tell the affected circuits go to Fuse 11 and Fuse 14. Is there a certain ground point I should be checking?

Also the ignition switch isn't acting up is it? (god I hope not)
Owner of a Black 1988 Thunderbird Turbo Coupe
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Pete D Offline
Posting Freak
#2
There is a list of ground locations here, but it doesn't tell you what devices/circuits go the what grounds: http://www.turbotbird.com/faqs/#Electric...0Locations

power window switches go to G206 which is on the RH floor pan (Pass side footwell under carpet)but there is a ton of other stuff that grounds there (RH Power door lock switch, gas door and trunk release solenoids.

Windshield wiper switch goes to G902 which is in the lower center of the instrument panel but so do lots of things - fog lamp swch, power antenna swch, instrument cluster, blower switch, clock and clock illumination.

Can't say for sure on the ignition switch. I emailed some info on testing it. Be sure to inspect the connector to the switch for burnt connections and loose wires
Pete Dunham
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ameswarb Offline
Junior Member
#3
Thanks for the email and the other information, it'll definitely come in handy when I check it out.
Owner of a Black 1988 Thunderbird Turbo Coupe
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ameswarb Offline
Junior Member
#4
Found the issue. Inside the steering wheel, along the center there are three electrical contacts. They are corroded and the plastic separating the contacts is falling apart. Is it possible to replace this part, or have you fixed this yourselves?

Edit: nevermind, the ignition switch connector is loose.
Owner of a Black 1988 Thunderbird Turbo Coupe
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