Check out this cool tool from ZRC for use with SwitchGlo Pro and PushGlo igniters. Continue through to get the details.
This anodized aluminum wrench is for both SwitchGlo Pro and PushGlo igniters with the Twist-Lock Pigtail set up. This tool is extremely handy for easy installation and removal of the Twist-Locking cap on motors with a deep cooling head. A custom solution for glow plugs that are hard to reach.
Source: ZRC USA