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> Speedometer Light Bulb
cabrioartie
post Oct 27 2026, 04:45 PM
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I have a bulb out in the speedometer, so its even darker than it would normally be. I also just replaced a bulb in the tach by pulling out the gauge and being able to reach the bulb (there is just enough room).

But, it seems on the speedo it can't be pulled out enough to reach the bulbs. I assume it's either the speedo cable or the odometer reset cable.

Oh, this is a '74.

So, what is the best way to get to the bulbs and replace them? Looking a simple solution before I rip apart the dash.

Thank you.
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Ishley
post Oct 27 2026, 06:25 PM
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Disconnect the speedometer cable. I replaced all my bulbs with LEDs… except the alternator bulb which has to be incandescent.

https://www.superbrightleds.com/vehicle-lights

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cabrioartie
post Oct 27 2026, 06:49 PM
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QUOTE(Ishley @ Oct 27 2026, 05:25 PM) *

Disconnect the speedometer cable. I replaced all my bulbs with LEDs… except the alternator bulb which has to be incandescent.

https://www.superbrightleds.com/vehicle-lights


Stupid question, how do I disconnect the Speedo cable?
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emerygt350
post Oct 27 2026, 07:24 PM
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Definitely switch to LEDs. It will still be pleasantly dim but still useful.

Unscrew the speedo cable by becoming a contortionist
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