Horn 4 relay manual

 · The horn relay switches a large current to the horns at a signal from the low-current horn button in the steering wheel. A simple SPST relay will have a constant supply of 12 volts to it, a lead that runs through the harness to the horn, another lead that runs to the horn switch in the wheel, and a ground. 1. REMOVE NO. 1 RELAY BLOCK COVER. (a) Remove the No. 1 relay block cover. 2. INSPECT NO. 1 INTEGRATION RELAY. (a) Using a screwdriver, detach the 2 claws and disconnect the No. 1 integration relay from the engine room junction block. Tape the screwdriver tip before use. (b) Measure the resistance according to the value (s) in the table below. Toyota RAV4 Service Manual: Horn relay. Toyota RAV4 Service Manual / Horn / Horn relay. On-vehicle inspection. Remove engine room no. 1 Relay block cover. Inspect integration relay (unit a: horn relay) Using a screwdriver, detach the 2 claws and disconnect the integration relay from the engine room junction block.

This manual covers the horn relay board (HRB) and the reversing hand throttle (RBT), which are often used together. The relay board is primarily aimed at model locomotives, in conjunction with the hand throttle, to operate twin horns and lighting. The relay board's operation is. HORN-4 RELAY google (Electrical) (OP) 11 Oct 04 HORN-4 relay is in use for a 22kV tie between two switchboards in our power plant. I want to know. Inspect integration relay (unit a: horn relay) Using a screwdriver, detach the 2 claws and disconnect the integration relay from the engine room junction block. Hint: Tape the screwdriver tip before use. Measure the resistance of the integration relay. Standard voltage. If the result is not as specified, replace the integration relay.

The horn relay starts working by pressing the steering wheel horn pad. The battery-positive power source is connected all the time with the relay terminal 86 of. The addition of a Wolo horn kit for your vehicle will provide an extra level of sound. IMPORTANT: You are not required to use the relay supplied. - Always make use of the included relay. The horns together use 12 Ampere. A standard horn switch cannot process this power and will quickly burn out. - Place.