McLaren-Honda’s progress on the final day of pre-season testing was hampered by a series of intermittent electrical issues. The problem caused the car to shut down, stopping Fernando out on track twice within a few short laps in the morning session. At this stage, it’s unclear if it’s the same issue that Stoffel encountered yesterday. Overnight, the team changed a number of electrical components on both the PU and chassis, but the problem persisted. With every run in the morning session, the team changed further parts in an effort to eliminate as many variables as possible and identify the source. Over lunch, the team elected to undertake more significant and time-consuming changes...
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