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What is This?

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Old 04-06-2016, 06:04 PM   #1
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What is This?

One of the frustrating things about the unavailability of of a real service manual is the inability to identify things under the hood. For example, what is this (2016 RDX Tech):


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Old 04-06-2016, 08:23 PM   #2
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Take the cover off and send us a picture.
Either additional fuses, circuit breakers, relay or a diagnostic connector.

Look here at Wiring Harness #1

http://acura.bernardiparts.com/Acura/Parts-List.aspx

It looks like the cover is part #40 "Relay Cover"

Last edited by rosen39; 04-06-2016 at 08:31 PM.
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Old 04-11-2016, 11:06 AM   #3
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I removed the cover and took the photo below. Looks like a relay. Then the next question is 'For what?'


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Old 04-11-2016, 11:23 AM   #4
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Pull it out & see what doesn't work.

Seriously, google-ing the part number seems to indicate it's part of the A/C system, perhaps the compressor relay.

Last edited by markAZ; 04-11-2016 at 11:28 AM.
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Old 04-12-2016, 12:10 PM   #5
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Thank you. In the 'old days' when my 1993 Mercedes-Benz 300E had an intermittent hard-starting problem, I got out the wiring diagram. I traced the problem down to being one of two relays. I swapped them both out and eliminated the problem.

With no service manual however, that's impossible to do.:-(
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