The Fuel Pump Relay Bypass Kit II is designed for professionals who need quick, ignition-free control of 12V fuel pump circuits. This kit allows fuel pressure testing and circuit diagnostics independent of key-on systems, making these essential tools for modern diagnostics. The 9037 kit features rectangular relays for common GM, Chrysler, Japanese (1985–2007), and BMW (1995–2006) applications.

Features and Benefits:

• Actuate fuel pumps with the engine off for pressure testing
• Bypass relays to control circuits independent of key-on systems
• Plug-in relay replacements—no modifications needed
• Choose the right kit for your application: spade, rectangular, master, or amp-loop
• Amp-loop version (9038A) allows current monitoring with standard probes

Includes:
• Large Rectangular Relay – GM, Chrysler, Japanese 1995–2007 (#9037-3) (20A/30A) • Square Relay – BMW 1995–2006 (#9037-2) (20A/30A) • Small Rectangular Relay – GM, Chrysler, Japanese 1985–2009 (#9037-1) (20A/30A)