W115

'76 300D No start

Have the glow relay manual override installed. Last week I pressed the button, got glow for a few seconds, then a fast clicking. Was able to start the car. Now I get fast clicking & no start.

Battery tests fine. Tried powering the starter directly by jumping to the solenoid but I only get a click.

Not sure how to troubleshoot from here. Any tips would be appreciated!

Thanks,
Nicole

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