GT electrical issue - Alfa Romeo Forum
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(Post Link) post #1 of 5 Old 1 Day Ago Thread Starter
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GT electrical issue

Evening everyone,

I was wondering if anyone has any ideas on this.

On starting my GT, when I put the dipped beams on, the instrument cluster illumination sometimes goes out. Or flickers on and off. When this happens, if I switch the main beams on, the dipped headlights and the instrument cluster lights will flicker on and off constantly. It doesn’t seem to have any effect when I only put the side lights on.

Also, when the instrument cluster lights go out, the hazard and fog lights won’t turn on either. Oddly enough, after a few minutes of driving it settles down fine and everything works well.

Any ideas? Crazy Alfa electrics!
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(Post Link) post #2 of 5 Old 1 Day Ago Thread Starter
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And I should add that the lights work ok, even when the instrument illumination is out. I’ve also checked the fuses and relays and everything is fine.
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(Post Link) post #3 of 5 Old 9 Hours Ago
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Hi Mossy,

As the stalk switches likely send a CANBUS signal to a body computer of some kind, I'd suspect wiring/connectors to this computer, or a faulty computer.

I'm not sure where this is on our car (have only had mine a week!) but on my old Fiat it was located behind or part of the fuse box under the dash.

Maybe someone else can chime in if there's an engine-bay multi-connector (like Fiats D4) that is often the problem?
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I'd first check the simple and obvious, since the symptoms suggest a bad connection that is going high-resistance when loaded. So: are battery terminals clean and tight? After that, the positive connector has distribution links that can corrode and crack. If in doubt, dismantle, clean and check.
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(Post Link) post #5 of 5 Old 2 Minutes Ago Thread Starter
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Thanks. I’ll check all of that out at the weekend. Stuck in the welsh mountains for work right now! Haha the GT is down I’m devon.
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