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30th August 2010, 01:35 PM
#1
Relays
Well I have found out finally why my truck has been cutting out intermittently......failing fuel pump relay.......this was found after replacing the coil, amp module, leads, rotor, dizzy cap and a swap of a MAF......
My question is.....I have lots of relays that have done the job to get the pump going but they are generic Siemens ones, the fuel relay was a Bosch and metal top, does anyone have any advise on whether I should replace with a Genuine part or will any relay do for this application???? Why is there a difference between the fuel relays and the one for the wipers for instance....metal top compared to a plastic top.....
I can't seem to find any info that will help 
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30th August 2010, 03:17 PM
#2
The fuel relay recommended has either diode or electronic protection for the ECU so they are different.
But the latest ones are not too expensive.
I cannot remember the details and I do not have time to delve in my spares box at present so can someone remember the brand . A google of "surge protected relays " should find it.
Regards Philip A
see here
http://www.rkssales.com.au/products.php'subcatID=596
Last edited by PhilipA; 30th August 2010 at 03:19 PM.
Reason: more info
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31st August 2010, 03:32 PM
#3
Thanks Philip, purchased one with diode protection......fuel pump now working without any problems to the ECU......
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