What Switch Controls 360 'Engine Lid Open'

#17 is the positive to the 3rd brake light. The switch you're looking for is the receiving end of #18 which is mounted on the grill/bumper/chassis. The micro switch is buried underneath or nearby the latch assembly.

 

The micro-switch is part of the latch assembly and is not available as a separate part from Ferrari. You could jump the wire in the connector in order to drive it. It would be smart to check the resistance of the switch when the latch is closed before replacing it.
You could probably source and replace just the micro-switch by looking at the manufacturer and part number on it.

 

Is it the type of switch that shows closed circuit when the lid is closed... or shows open circuit when the lid is closed? Warning lights often have common power supplies and use an earth from a closed switch to illuminate one of the lights.

 

With a little surgery you can fix the micro switch by yourself. There’s a thread with pictures on the 360 forum. I used it a few years ago as I had the same problem.

There is a little arm attached to the micro switch that you give a tiny bend and all works again. And as above, the switch is located within the rear hatch latching mechanism box. It’s a tight squeeze but you can get in there to bend the contact arm


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+1
I did the same 2 years ago and it still works.
If you don't have a Spider I would jumper it but I have a Spider and I needed that interlock to prevent opening the top with the hatch open.

 

Do you know for sure that jumpering it will work, Fred? Different car, but on the F355 if you jumpered the switch, you would have a permanent lid open effect. On the F355 you have to disconnect the switch or remove the earth.

 

Yes, mine was jumpered for a while and no alarm lights. But then I had an 'Oh fxxk moment' when I tried to open the top with the hatch open.
Almost damaged the hatch.

Did some research and found out that I only needed to bend the contact on the micro switch.
Been like that for 4

 

I recently opened the hatch and had on part no#17, the plunger, just fall out......
While apparently not the situation here, being on the hatch end, it leaves you stranded, at least with a F1 !

While not expensive and easy to replace, not a good thing to happen. I can just see if you are showing someone the engine and pop the hatch, stuck ! ....