Volvo RWD 140-160 Forum

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rewiring r-sport gauges 140-160

ok got a couple sets of r-sport gauges. they all have broken boards. i'm going to be putting them in my 140s so the origanal wiring will not line up with the plugs in my car. so i will be rewiring the gauges instead of tring to fix the pcb. they share the same plugs for temp, gas, parking brake, and brake failure. the bulb out and high beams are switched. the od and amps are switched. and egr, turns, and ch are switched. my car does not have a egr system so i will delete that circit. i will replace that light with the other turn since the r-sport cluster shares one light for both turns. the r-sport cluster also does not have an oil warning light. so i will be adding one next to the gauge. i will also be moving the amp warning light up next to the volts. i will also be ading a knock warning light between the speedo and tack. i will be left with one open warning/indicator light position open.

any suggestions for a light to go there?

what is the ch light for? is it for choke? my car is fuel injected. i have never had it come on in my car. it is not on the r-sport cluster. so if it is not needed i will leave it out.

there are several little capasitors or risistors on the boards. they all go between the amp circit and the indicator lights for parking brakes, brake failure, turns and od. are they realy needed? are they what turns the amp warning light on? does anyone know what they are? my multi-meter is broken. can i reuse the ones from the boards?

i will post pics of the procceses when i get more done than tracing out the circits and dismantaling them.








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rewiring r-sport gauges 140-160

tooks some pics of the proggress. traced out the circits for the r-sport cluster and stock. sorry for the scrible like scamatics.

http://www.pbase.com/flynbrick/r-sport_gauges

what i thought were resistors are diodes from what i've been told. they are for the dumby test light feature when you turn the car on. so i can leave them out if i want. exept for the od.

can i replace the old votage stablizer with one from a newer instrement panel?
its alot smaller.

http://www.pbase.com/flynbrick/image/35311841

placed some new gels in the warning light spots that i canabalized from other gauges. the old ones were srunkin and warped. stil need to make some arrows for the turns.

http://www.pbase.com/flynbrick/image/35311853

so now it goes p. brake, l. turn, amp, bulb out, high beam, overdrive, r. turn, and brake failure. i'm going to move the amp warnig up next to the vots gauge. so i will have a space for another light. does auxilary lights sound like a good indicator? or even an e-fan indicator light..that way id'e now when its on.









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rewiring r-sport gauges 140-160

Are those gauges the 73+ style? They kinda look it, but I am not sure. When I get the body work done to my car I will probably be getting into making gauges broken r-sport gauges work aswell :) Good luck with it.








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rewiring r-sport gauges 140-160

yep 73'+ style. thanks








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rewiring r-sport gauges 140-160

yeah, the CH is for choke. It is amber in color and lights up when you pull the choke. OK to leave it out if yours is fuel injected.
--
and the bricks keep on rolling....








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rewiring r-sport gauges 140-160

Post a scan of the circuit diagram when you've traced it out, and I'll figure out exactly what it does. If the capacitors are polarized, they should be replaced with new ones, else they should be fine. Resistors should be fine. (I'm an electronic engineer.)

Have fun...







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