150263 has new light clusters much like the ones on Class 165/166 units, and some Class 317s. They are painted yellow, as on 150275/150276 with Northern.
Apparently, it has also been fitted with a new Wheel-Slip Protection system, and went testing to Okehampton today.
Apparently, it has also been fitted with a new Wheel-Slip Protection system, and went testing to Okehampton today.