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With a mechanical fuel pump, stopping the engine also stops the fuel pump. Installing an electric fuel pump, especially on modified engines, requires the installation of a cutoff relay for safety reasons and to prevent any risk of fire. By receiving information from the ignition coil, the safety cutoff relay will deactivate the pump, for example, in the event of an accident. This CSP brand system also protects the fuel pump from damage (risk of overheating) that can occur when the engine is off and the ignition is on. When the ignition is switched on, the relay activates the fuel pump for approximately 2 seconds and then deactivates it again. This prevents the pump from overheating. The relay only activates when a running engine is detected via the connection to the ignition coil. If the engine stops, the relay disconnects the fuel pump's power supply. Sophisticated technology, maximum reliability, and improved starting performance thanks to filled carburetor bowls. Wiring harness with brand-specific wire colors for clear identification within the vehicle. Wide range of high-quality terminals. Mounting hardware suitable for use with the renowned Pierburg VC43700 fuel pump. Enclosed fuse holder for ideal placement on the power supply side of the charging circuit. Improved and detailed installation instructions. Also universally applicable to all electric fuel pumps, for switching daytime running lights, rear window defroster, or other electrical loads with a maximum current draw of 8A. Can be used with conventional ignition systems. The ignition coil resistance must be at least 2 ohms on the primary side. Compatible with 123 Ignition, Bosch 009, pointless ignition systems, contact switches, etc. Reduces the risk of fire. Supplied with relay, wiring, universal terminals, and assembly instructions in English. Essential for installing electrical relays.
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