Member
Posted 02 August 2020 - 07:53 PM
Just after some technical advice
My boot relays are getting quite warm, if not hot
yellow seems fine but the two grey ones are quite warm
is this normal ?
VXT
T I A
IMG_20200801_160153.jpg 71.93KB
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Edited by VX DAVE, 02 August 2020 - 07:53 PM.
Whipping Boy
Posted 02 August 2020 - 09:22 PM
Fuel pump and ECU relay, so will be always on and running 30 A when the car is running so not surprising that they get hot
PS. shouldn't one be brown?
Edited by fezzasus, 02 August 2020 - 09:23 PM.
I Fancy Joe
Posted 02 August 2020 - 09:25 PM
the ECU one is usually brown.
Thetan level 15
Posted 03 August 2020 - 07:04 AM
Does your ubend still have the oem heatshield, or heatwrap, as that is just below your relay location.
Member
Posted 04 August 2020 - 07:29 PM
Fuel pump and ECU relay, so will be always on and running 30 A when the car is running so not surprising that they get hot
PS. shouldn't one be brown?
the ECU one is usually brown.
I did a search before posting and one of the answers I found suggested that the VXT has 2 grey relays, something to do with the normally open and normally closed switches
Posted 30 March 2018 - 03:46 PM
brown relay switches two circuits - 2 x Normally Open contacts
grey relay switches one circuit - 1 x Normally Open and one x Normally Closed contacts
Looking at the vxT engine wiring diagram it shows K16, K18 and K62 as single switch, so grey relays can be used.
Member
Posted 04 August 2020 - 07:30 PM
Does your ubend still have the oem heatshield, or heatwrap, as that is just below your relay location.
Probably not, I have a Milltek system fitted
Member
Posted 04 August 2020 - 08:10 PM
Not sure what the numbers mean exactly, but the brown relay has numbers, 30/40A and the grey relay has 20/30A
The diagram on both relays are the same
Thetan level 15
Posted 04 August 2020 - 08:21 PM
Is it the crispy one that is supposed to be brown?
Edited by smiley, 04 August 2020 - 08:21 PM.
Member
Posted 04 August 2020 - 08:23 PM
Is it the crispy one that is supposed to be brown?
I think so, my fuel pump kept stopping when these got hot
I have been looking at the brown relay and I can see the brown relay appears to have a double switch, so my post above is wrong
Member
Lotus on Crack
Posted 04 August 2020 - 08:28 PM
The grey bosch relays can also be found under the front bonet so you can swap the one for the horn for example as a temporary fix.
The brown one in the 2.2 has two outputs.
Member
Posted 04 August 2020 - 08:34 PM
Any info regarding the VXT boot relays
Thetan level 15
Posted 04 August 2020 - 09:19 PM
Difficult.
I tried to get a clear picture of the 4 relays, and ended up with 3 completely different results.
Not sure what is going on with this turbo stuff. None of them have the brown one like the NA.
Member
Posted 04 August 2020 - 10:02 PM
I have found the wiring diagram on one of the speedster forums, the wiring for them shows single switch relays in K16 and K18
Need to get Out More
Posted 05 August 2020 - 09:00 AM
Looks like it gets too warm.......
If the pins got so hot you may want to check/replace the contacts in the relay socket too.
These 'springy' female contacts tend to relax when they are overheated and afterwards they can have issues making good contact even on a new relay and you end up burning it more from the resistance in the connection. (until the plastic of the plug simply melts away in a charred blob..)
At a minimum clean the socket well with a contact cleaner and check if the contacts still grab the relay pins securely. If not, pull the contact out of the socket and gently squeeze it a little in some pliers and re-test.
It's not a perfect fix as the conmtact material tends to have softened, so it has lost some of it's spring-back and will have a weaker grip, but often it works for some time again.
Bye, Arno.
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