crxjarred

its located in the area where the passenger air bag use to be of a 01 prelude it is wire in bad and i think is from another location either way its messed up my car wont start might relate thanks ive researched and cant find anything!!

snobordboy

Your pictures don't show much, but it looks like a relay someone added in, could be for any multitude of things. We would pretty much need to know where each wire connects to help.

Probably time to break out wiring diagrams to find out where it is tapped in, and see what it is supposed to be powering. Might be hooked into an alarm, remote start, lights etc.

crxjarred

The car is completely stock one is to the blower fan motor and one black to the harness possibly blower stuff and a ground thats red to the dash support and also another ground run threw the fire wall to the head light grounds! and the car caught fire today from a gas leak wile i was trying to start it so ill be doing lots of wiring lol!

tech8

The relay is not stock, it’s an add-on as part of a jerry-rig to probably get the A/C to turn on.

The added relay is probably used to supply the ground (-) source to the A/C thermostat to get the A/C to turn on. Normally, the Blu/Red wire would be the wire to supply the ground (-) when the A/C switch is ON, and the heater fan switch is in position 1, 2, 3, or 4. The Blu/Red wire runs through to the A/C thermostat's transistor.

The A/C thermostat is essentially a switch to control the A/C clutch cycling. The A/C thermostat for your model year car is principally comprised of a thermal resistor (thermistor) and a transistor (used as a switch).

Someone probably had an issue with a faulty heater control panel not supplying the ground (-) source to the A/C thermostat. So, the added relay is a jerry-rig to supply the ground.

crxjarred

okay so as soon as the cars running right ill be wiring this in better or fixing the problem all together thank you soo much!!!!!