Starter relay not seeming to work
#1
09-17-2021, 07:26 PM
Starter relay not seeming to work
We are engine swapping from the V12 to an LT1. We can not seem to get fire to the starter wire coming from the starter relay. The P at the shifter is glowing red, and the key is being read by the system. Every system on the jag is working except for the starting system. We have tried to bypass the body processing module by wiring a switch from the red/white to the red/orange wires, with no impact. Directly grounding the starter relay also seems to do nothing. There is no transmission in the car at the moment and there is a transmission light on, and I was wondering if that would have an impact on the starting system. If not, any help is appreciated. Side note: every fuse in the entire car is good, and every relay on the starting system has been tested. Thanks in advance.
#2
09-17-2021, 07:27 PM
We are engine swapping from the V12 to an LT1. We can not seem to get fire to the starter wire coming from the starter relay. The P at the shifter is glowing red, and the key is being read by the system. Every system on the jag is working except for the starting system. We have tried to bypass the body processing module by wiring a switch from the red/white to the red/orange wires, with no impact. Directly grounding the starter relay also seems to do nothing. There is no transmission in the car at the moment and there is a transmission light on, and I was wondering if that would have an impact on the starting system. If not, any help is appreciated. Side note: every fuse in the entire car is good, and every relay on the starting system has been tested. Thanks in advance.
#3
09-18-2021, 04:33 AM
Welcome to teh Forums.
It appears you are in the USA??
Your XJ12 is more commonly known as an X300 V12, and is designated X305.
Confusing, I know that, but you do get used to it, eventually.
NONE of the cars in here have a BPM, or as many computers as yours.
The X305 Tech Section members will know what to by pass etc.
Even the X300 Tech Section may be helpfull, as the basic car is the same.
Good luck.
It appears you are in the USA??
Your XJ12 is more commonly known as an X300 V12, and is designated X305.
Confusing, I know that, but you do get used to it, eventually.
NONE of the cars in here have a BPM, or as many computers as yours.
The X305 Tech Section members will know what to by pass etc.
Even the X300 Tech Section may be helpfull, as the basic car is the same.
Good luck.
#4
09-18-2021, 05:04 AM
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#5
09-18-2021, 11:33 AM
Welcome to teh Forums.
It appears you are in the USA??
Your XJ12 is more commonly known as an X300 V12, and is designated X305.
Confusing, I know that, but you do get used to it, eventually.
NONE of the cars in here have a BPM, or as many computers as yours.
The X305 Tech Section members will know what to by pass etc.
Even the X300 Tech Section may be helpfull, as the basic car is the same.
Good luck.
It appears you are in the USA??
Your XJ12 is more commonly known as an X300 V12, and is designated X305.
Confusing, I know that, but you do get used to it, eventually.
NONE of the cars in here have a BPM, or as many computers as yours.
The X305 Tech Section members will know what to by pass etc.
Even the X300 Tech Section may be helpfull, as the basic car is the same.
Good luck.
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