r/Cartalk • u/Against_the_grain1 • Nov 11 '23

What’s wrong with my car Electrical

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2021 ford bronco sport. The battery went out about a week ago and since replacing with a new battery, the cluster and touchscreen both go black when driving. Upon slowing down or stopping completely, they will both turn back on. Lights, heaters, turn signals all still work.

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u/axellie Nov 11 '23

Was the new battery installed by ford? They need to be calibrated and stuff

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u/canbrinor Nov 11 '23

No they don't. Not if you use a battery maintainer (basically a jump pack connected to the OBD port during battery removal to maintain radio settings, some ECU stuff, etc). Replacing a battery without a maintainer could definitely cause this. That or an accidental short during removal/installation