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LEWIS HAMILTON will be hoping to avoid the gremlins that forced Nico Rosberg and Mercedes to abandon the first day of pre-season testing after just 14 laps.
Rosberg set the early pace at the Circuito de Jerez before the W04, the new car that was unveiled yesterday, suffered a short burst of flames that forced him off track.
Mercedes engineers discovered an electrical fault sparked by a faulty wiring loom was the cause, leaving Rosberg a frustrated figure on the sidelines.
Via their Twitter feed, Mercedes said: "After identifying the cause of the problem we will not be running again today whilst parts are modified ready for tomorrow.
"The part which requires modification is the wiring loom where the electrical fault originated this morning."
After signing a three-year contract with Mercedes, who have won just one race in three seasons on their return to F1, Hamilton will get behind the wheel of the car for the first time tomorrow.
Pictured: **STRICTLY NO WEB/NO MAIL ONLINE/THE SUN/ASSOCIATED NEWSPAPERS/NY DAILIES**Bono watches the ceremony with his wife Alison "Ali" Hewson
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