PRO TUNE PR-4 - 3 Instalation Diagram; Basic Wiring

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Document Revision: (2)
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Product Manual
PR-4
3. Installation Diagram
3.1 – Basic Wiring:
Special Case:
When the user wishes that an auxiliary output to remain triggered after switching off the engine (electric
water pump, electric fan, etc), the ECU (pin 87 of the relay) and the main relay power must be apart from each other
in separated switches.