What is this thing in front of the radiator?
#1
What is this thing in front of the radiator?
I have a 1990 SR5 4runner. Last week I hit a dear on the interstate and it wrecked my front end (fortunately no one but the dear was injured). However, after I removed the bumper and grill I noticed this 2 pronged wire that looks like it was attached to the front of the radiator. Does any know what it is/does? How should I re-attach it? Thanks.
#2
looks like a horn hook up to me.
not sure if they ever had dual horns.
might find a wiring diagram on this link:
http://www.ncttora.com/fsm/index.html
glad nobody was hurt..
not sure if they ever had dual horns.
might find a wiring diagram on this link:
http://www.ncttora.com/fsm/index.html
glad nobody was hurt..
#3
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Simple way to find out is to connect multimeter probes to the connectors and get someone to press the horn switch. If you read 12V when they do, it's definitely a horn connection.
#4
Contributing Member
A small rectangular piece hooks to those wires , for the a/c evaporator its a sensor or resisitor , Not really sure but I have seen them right there.
#5
Contributing Member
well duh, why didn't I think of that the first time I read this post, lol
yeah a multimeter, or even just a 12v test light, would be your friend here
#7
Thanks for the feedback. From the wiring diagram it looks like you are right cadman. I guess the question now is it important and if so how do I re-attach it. The resitor feels like it is made of plastic and the ends of the wires look very corroded. The A/C still works fine and is blowing cold air, so I might just leave it alone.
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#8
If the tabs are broken off the resistor, there is no fix except to buy a new one. I replace the one on my wife's 4Runner a couple months ago and it cost about $30 from the dealer. Your AC will still function without it, but I think it controls the small auxillary fan in front of the radiator. Not sure exactly what it does, but probably related to air temp at the front of the vehicle.
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