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Username Post: reverse switch will not close circuit        (Topic#357828)
rebuildroger 
Poster
Posts: 21

Reg: 03-14-16
08-27-19 04:24 PM - Post#2774214    

1998 c1500 2wd 4.3l 5 speed manual
reverse lights giving me grief
its seems that when the tranni is put into reverse...it is not making proper contact with the plunger on the reverse switch.
i removed the switch from the tranni...and installed it into the wiring harness..depressed the plunger and the lights work.
So i have power and continuity thru the switch.
Re-installed the switch into the tranni...turned key to run position...put tranni in reverse...set tester to tone...probed both sides of switch and can not get a tone. So i guess that when in reverse it is not making proper contact on the plunger and therefore is not closing the circuit.
the tranni is a getrag.... rpo mg5
Have not had any luck sourcing a diagram etc that shows how it makes contact with the plunger.
All help greatly appreciated



 


acardon 
Ultra Senior Member
Posts: 11325
acardon
Loc: DFW TEXAS
Reg: 03-25-05
08-27-19 05:24 PM - Post#2774223    
    In response to rebuildroger

Did it ever work? It may be the wrong switch. Rock Auto shows different length switches.
https://www.rockauto.com/en/catalog/chevrolet, 1998...

Don
66 Corvair (driving)
57 2dr HT (driving)
56 2dr HT (waiting to be restored)


 
rebuildroger 
Poster
Posts: 21

Reg: 03-14-16
08-28-19 08:29 AM - Post#2774288    
    In response to acardon

yes it worked in the past...have had truck since new. The switch it uses is the longer of the 2 made for that tranni.
my question is what actuates the switch ...a bar...a plunger...???
can not find any info that shows it



 


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