Section 688 - Clearance and Sidemarker Lamps(a) Mounting. Clearance lamps, sidemarker lamps, and combination clearance and sidemarker lamps shall be mounted as specified in FMVSS 108, except for combination clearance and sidemarker lamps on pole or pipe dollies or logging dollies which shall be mounted as required by Vehicle Code Section 25100.(b) Exceptions. On vehicles manufactured prior to July 1, 1980, clearance lamps need not be visible at the inboard angles, and clearance and sidemarker lamps need not comply with the mounting height requirements in FMVSS 108.(c) Specialized Lamps. Specialized combination lamps designed to be mounted with the base at angles other than 0 deg, 45 deg, or 90 deg from the longitudinal axis of the vehicle shall be installed in accordance with the manufacturer's instructions.Cal. Code Regs. Tit. 13, § 688
Note: Authority cited: Section 26103, Vehicle Code. Reference: Sections 24012 and 26103, Vehicle Code.