djjose Posted April 1, 2013 Report Share Posted April 1, 2013 Hello all , What are the three relays found under the hood on the passenger inner fendr in a Datsun 620 1979 pick-up. I'm also looking for the voltage regulator , please help! Quote Link to comment
metalmonkey47 Posted April 1, 2013 Report Share Posted April 1, 2013 79 620 has an internally regulated alternator. I believe one of the 'relays' would be the EGR counter, but I'm not sure about much on the '79 Quote Link to comment
datzenmike Posted April 1, 2013 Report Share Posted April 1, 2013 Front to back they are... Auto Choke Heater relay Horn relay Programed Control unit... I think this reduces intake vacuum by opening a valve if vacuum exceeds a pre set limit during high speed deceleration to reduce oil consumption) Ignition relay Inhibitor relay. (park and neutral starts only for automatics) Quote Link to comment
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