mrspeedk Posted November 22, 2015 Share Posted November 22, 2015 I was wondering if anyone could help me with the answer to this question. I have a 1994 pathfinder 4wd. On the passenger side under the hood, close to the vacuum module for the cruise control, there is an odd little switch that looks like it goes down when the hood is closed. It does have a single electrical connection to it so it has to be connected to something. Can anyone tell me what this switch is called and/or what it does please? Thanks for your help!! Link to comment Share on other sites More sharing options...
kdj Posted November 23, 2015 Share Posted November 23, 2015 My '96 had one of those switches that did nothing. I thought it was either for and optional under hood light or a "door ajar (if hood isn't closed)dash light" that was not installed. Link to comment Share on other sites More sharing options...
aussie4wheeler Posted November 23, 2015 Share Posted November 23, 2015 I would assume that is the switch that tells the ECU whether or not your hood is open, if it is open and you lock the truck does the alarm chirp at you? It should chirp to tell you a door is ajar, in this case the hood. Now hold that switch down and lock again. It should lock as normal, if so... Question answered Sent from my XT1254 using Tapatalk Link to comment Share on other sites More sharing options...
adamzan Posted November 23, 2015 Share Posted November 23, 2015 It's for the alarm. Link to comment Share on other sites More sharing options...
RedPath88 Posted November 23, 2015 Share Posted November 23, 2015 Yep as adamzan said above, it's part of an alarm system. Or it was for an alarm is the rest of it is no longer present. Link to comment Share on other sites More sharing options...
MY1PATH Posted November 23, 2015 Share Posted November 23, 2015 I would assume that is the switch that tells the ECU whether or not your hood is open, if it is open and you lock the truck does the alarm chirp at you? It should chirp to tell you a door is ajar, in this case the hood. Now hold that switch down and lock again. It should lock as normal, if so... Question answered Sent from my XT1254 using Tapatalk NOT for the ECU. The ECU only operates the engine and forwards RPM & TPS information to the Cruise and AT computers. Yes it is for the alarm system. My 94 had a hood switch that would loose its grounding when the temperature changed thus setting off the alarm randomly after the engine cooled down. Took me a while to track it down but my solution was to strip the wire and screw it to the firewall. Link to comment Share on other sites More sharing options...
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