Ohhh for some reason I saw that both were 12v power and assumed that meant +12V each, wondered why 2 were needed! I guess I need the rj25 after all.
we are back up and running again!
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Pin 1 and pin 2 are 12V Power supply to the GSM
Pin 3: RY7 signal
Pin 4: RY8 signal
Pin 5: RY11 signal
Pin 6: not used
RY7 is used for ignition enable/disable, or glow/stop with a diesel. This is set in Menu Heading 25 under 25A, depending on whether you select the GS, RN1 or RN2. GS (Glow/Stop) provides a momentary glow plug and stop signal to RY7, RN1 provides a continuous RY7 signal for engines that require ignition "on".
Cranking is provided by RY8.
RY11 is an alarm relay.
All three relays in the GSM have a common, NO and NC terminal.