volvo 740 NOT START, mysterious relay suspected

Thread Tools
 
Search this Thread
 
  #1  
Old 04-06-2014, 01:21 AM
joelk's Avatar
Junior Member
Thread Starter
Join Date: Apr 2014
Posts: 2
Likes: 0
Received 0 Likes on 0 Posts
Default volvo 740 NOT START, mysterious relay suspected

After i wash the engine , i drove little , and when i came back to my caraftera while the starter was not respond , after little reserch on the web how to inspect the problem i found a relay which sitting above the starter that do not transmit 12 v to the starter solonoid . i finaly i managed to start the car by bypassing the starter direct to th battery
my question is:
1.how do i check if this relay not working , i notice that 1 pin get 12 v constant and ather ground i belive , the 3 got the starter , but where the 4 come from?
2.could it be cancel ? i thing it might be not originaly sitting there since i did not find it in electricity diagram? what is function name ?
3
the Relays is : 4 Pin 12v 30A 4RA 003 510-08.
 
  #2  
Old 04-06-2014, 04:19 AM
pierce's Avatar
no mo volvo
Join Date: Oct 2010
Location: 37 North on the left coast
Posts: 11,289
Received 101 Likes on 94 Posts
Default

did your car have a security system installed on it? like a car alarm? that relay could be a starter kill circuit which was installed as part of the security system.
 
  #3  
Old 04-07-2014, 03:53 AM
joelk's Avatar
Junior Member
Thread Starter
Join Date: Apr 2014
Posts: 2
Likes: 0
Received 0 Likes on 0 Posts
Default

[QUOTE=pierce;385616]did your car have a security system installed on it? like a car alarm? that relay could be a starter kill circuit which was installed as part of the security system.[/QUOTe

Alarm not working. I thing. Its call starter relay.
1 leg might go to fuse box. Not sure.
Anyway I replace the relay and fourchenetly its work know
 
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
Sir Tom of Ato
Volvo 240, 740 & 940
0
04-04-2014 06:03 PM
davisdandrew
Nitrous, Super Chargers, & Turbos
0
04-09-2013 05:59 PM
turbodragnovice
Volvo V70
1
04-05-2011 09:59 PM
vipul_vips
Volvo 240, 740 & 940
5
09-16-2010 01:30 PM
AlexE_C70
Volvo C70
7
03-28-2008 05:54 PM



Quick Reply: volvo 740 NOT START, mysterious relay suspected



All times are GMT -5. The time now is 09:18 PM.