It happened at around 13:00 on Friday 12 January on Route Militaire at the junction with the Saltpans.
The ambulance was on an emergency dispatch when it collided with a car being driven by a member of the public.
Another ambulance was dispatched to the original emergency immediately while the road was closed during the immediate aftermath of the accident while the emergency services dealt with the incident.
The investigating police officers would now like to speak to any witnesses, or nearby residents who have private CCTV or recording systems that may have captured the collision.
Anyone with information should contact PC 98 Du Port or PC 142 Hewlett on 222 222 or anonymously via Crimestoppers on 0800 555 111.
