98 Buick Century wont turn over, new battery, new starter, still just a click noise.

ERICMORTENSON

MEMBER
1998 BUICK CENTURY
3.1L
V6
2WD
AUTOMATIC
150,000 MILES

1998 Buick Century, was running fine. I parked it to flush the cooling system, which might be a coincidence, but now the car won't start. I'm not a mechanic, but it's not the first flush and fill I've done either.
I drained the cooling system. Installed a Prestone tee in the heater core line and started flushing the gunk out. I went to start the car to turn the heater on and have the clean water circulate and the car just made a clicking noise. I checked the battery, and it wasn't bad but

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ERICMORTENSON

MEMBER
4 POSTS

It wasn't great so I bought a new one. Same click, no start. I pulled the starter and bought a new re-manufactured starter. Installed the starter, exact same issue. Just a click. Lights and radio have plenty of power. Tried two different keys. Tried starting in neutral instead of park.

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Thursday, July 23rd, 2015 AT 8:44 AM

HMAC300

MECHANIC
48,601 POSTS

Try a different key if you have one your security system may be engaged and check starter relay for corrosion. Also after first trying to start wait 4 minutes to start again if it fails to start have it scanned by a pro as it may be security has locked it up because something is wrong withit

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Thursday, July 23rd, 2015 AT 9:37 AM

ERICMORTENSON

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4 POSTS

Thanks for the reply.
I've already tried both keys. I don't have a service manual and no one locally here has one for purchase anyway. Any idea where the starter relay is located?

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Thursday, July 23rd, 2015 AT 9:40 AM

HMAC300

MECHANIC
48,601 POSTS

Check items in pic.

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Thursday, July 23rd, 2015 AT 10:07 AM

ERICMORTENSON

MEMBER
4 POSTS

Thanks HMac300. I'll print that and try looking tonight. I'll let you know either way tonight or tomorrow. Again, thanks. Single parent of a 5 year old, and this is my only vehicle so I'm very grateful for the free advice.
Eric