Kit can used for many popular accessories (electric radiator cooling fan, fuel pump, power windows,... see moreKit can used for many popular accessories (electric radiator cooling fan, fuel pump, power windows, headlight enhancements, etc.) that require use of a relay for safe application of battery power at higher amp loads and/or controlled situational operation. Includes 40 amp relay, wiring , terminals, connectors, and fuse.
-designed and made in U.S.A.-, modern solid-state circuitry, simple screw-in replacement of original transistor circuit... see more-designed and made in U.S.A.-, modern solid-state circuitry, simple screw-in replacement of original transistor circuit board inside amplifier box