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Timeline for Hood sensor latch faulty

Current License: CC BY-SA 3.0

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Mar 23, 2018 at 16:37 vote accept Vish
Oct 6, 2017 at 13:37 comment added Solar Mike electrically based safety circuits are relatively "new" on cars - just look at some of the legislation that occurs after accidents etc Prior to circuits to detect "hood open" were switches fitted to control under-hood lights (also fed by the side or marker lights) so one could see the engine at night. One of the main reasons for fitting a "hood open" circuit is to prevent damage of the wipers hitting the hood when it is open - usually due to the driver getting out of the car to look under the hood and "forgetting" the wipers are on....
Oct 6, 2017 at 13:30 comment added Miller86 @SolarMike - i should imagine it'd be the other way round. things like hoods will likely be designed to fail "Safe" - I.E. the safest readout will be shown. In the case of a hood, an open hood is very dangerous, so for this reason i should imagine that most will read no current flow as "open". If a switch were to fail and show the hood as closed no matter what, this could cause serious issues.
Oct 6, 2017 at 9:30 comment added Solar Mike if you join the two wires that is normally "on" ie hood open, for closed they should not be connected at least in most cases...
Oct 6, 2017 at 7:32 history answered Newbie Noob CC BY-SA 3.0