The mechanic beside her reached for a magnifying inspection light.
He brought it closer.
His expression changed as the crack became unmistakable.
The seal wasn’t completely missing.
It wasn’t torn open in a way someone would immediately notice.
Most of it looked normal.
But one narrow section no longer formed the barrier it was designed to provide.
Emma studied the connection.
“When you washed the motorcycle, water could follow the wiring and reach this connector.
The seal is supposed to stop it from getting inside.”
Ace crouched beside her.
“But it doesn’t.”
“Not with that crack.”
She pointed toward the two halves.
“When moisture gets inside, it can interfere with the electrical signal.
The computer sees a fault and shuts the engine down.”
The Harley wasn’t suffering from a completely failed sensor.
It was suffering from a connection that became unreliable when water reached a damaged seal.
Ace stared at the connector.
Then he looked toward the diagnostic equipment.
For days, mechanics had searched for something that was permanently wrong.
They had measured electrical signals.
They had replaced sensors.
They had questioned whether the computer itself was behaving properly.
But the real problem had remained hidden inside a component that looked functional whenever it was dry.
The senior mechanic slowly shook his head.
“We could check that connector ten times while it was dry and never see the fault happen.”
He examined the crack again.
“And because it wasn’t completely open, it might not have looked damaged during a quick inspection.”
Ace’s eyes moved between the connector and Emma.
He was trying to understand how she’d reached the correct conclusion without removing a single component until after the spray test.
A few minutes earlier, she’d been standing beside the Harley with a flashlight.